18458281485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21727}}^1$

素因数の和:21808

約数の個数: 128

約数和(自身を含む): 40049049600

約数和(自身を除く): 21590768115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 31, 35, 45, 63, 87, 93, 105, 135, 145, 155, 189, 203, 217, 261, 279, 315, 435, 465, 609, 651, 783, 837, 899, 945, 1015, 1085, 1305, 1395, 1827, 1953, 2697, 3045, 3255, 3915, 4185, 4495, 5481, 5859, 6293, 8091, 9135, 9765, 13485, 18879, 21727, 24273, 27405, 29295, 31465, 40455, 56637, 65181, 94395, 108635, 121365, 152089, 169911, 195543, 283185, 325905, 456267, 586629, 630083, 673537, 760445, 849555, 977715, 1368801, 1890249, 2020611, 2281335, 2933145, 3150415, 3367685, 4106403, 4410581, 4714759, 5670747, 6061833, 6844005, 9451245, 10103055, 13231743, 14144277, 17012241, 18185499, 19532573, 20532015, 22052905, 23573795, 28353735, 30309165, 39695229, 42432831, 58597719, 66158715, 70721385, 85061205, 90927495, 97662865, 119085687, 127298493, 136728011, 175793157, 198476145, 212164155, 292988595, 410184033, 527379471, 595428435, 636492465, 683640055, 878965785, 1230552099, 2050920165, 2636897355, 3691656297, 6152760495, 18458281485]

約数ペア:

[(1, 18458281485), (3, 6152760495), (5, 3691656297), (7, 2636897355), (9, 2050920165), (15, 1230552099), (21, 878965785), (27, 683640055), (29, 636492465), (31, 595428435), (35, 527379471), (45, 410184033), (63, 292988595), (87, 212164155), (93, 198476145), (105, 175793157), (135, 136728011), (145, 127298493), (155, 119085687), (189, 97662865), (203, 90927495), (217, 85061205), (261, 70721385), (279, 66158715), (315, 58597719), (435, 42432831), (465, 39695229), (609, 30309165), (651, 28353735), (783, 23573795), (837, 22052905), (899, 20532015), (945, 19532573), (1015, 18185499), (1085, 17012241), (1305, 14144277), (1395, 13231743), (1827, 10103055), (1953, 9451245), (2697, 6844005), (3045, 6061833), (3255, 5670747), (3915, 4714759), (4185, 4410581), (4495, 4106403), (5481, 3367685), (5859, 3150415), (6293, 2933145), (8091, 2281335), (9135, 2020611), (9765, 1890249), (13485, 1368801), (18879, 977715), (21727, 849555), (24273, 760445), (27405, 673537), (29295, 630083), (31465, 586629), (40455, 456267), (56637, 325905), (65181, 283185), (94395, 195543), (108635, 169911), (121365, 152089)]