28367325

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 61746048

約数和(自身を除く): 33378723

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 49, 63, 75, 83, 93, 105, 147, 155, 175, 217, 225, 245, 249, 279, 315, 415, 441, 465, 525, 581, 651, 735, 747, 775, 1085, 1225, 1245, 1395, 1519, 1575, 1743, 1953, 2075, 2205, 2325, 2573, 2905, 3255, 3675, 3735, 4067, 4557, 5229, 5425, 6225, 6975, 7595, 7719, 8715, 9765, 11025, 12201, 12865, 13671, 14525, 16275, 18011, 18675, 20335, 22785, 23157, 26145, 36603, 37975, 38595, 43575, 48825, 54033, 61005, 64325, 68355, 90055, 101675, 113925, 115785, 126077, 130725, 162099, 183015, 192975, 270165, 305025, 341775, 378231, 450275, 578925, 630385, 810495, 915075, 1134693, 1350825, 1891155, 3151925, 4052475, 5673465, 9455775, 28367325]

約数ペア:

[(1, 28367325), (3, 9455775), (5, 5673465), (7, 4052475), (9, 3151925), (15, 1891155), (21, 1350825), (25, 1134693), (31, 915075), (35, 810495), (45, 630385), (49, 578925), (63, 450275), (75, 378231), (83, 341775), (93, 305025), (105, 270165), (147, 192975), (155, 183015), (175, 162099), (217, 130725), (225, 126077), (245, 115785), (249, 113925), (279, 101675), (315, 90055), (415, 68355), (441, 64325), (465, 61005), (525, 54033), (581, 48825), (651, 43575), (735, 38595), (747, 37975), (775, 36603), (1085, 26145), (1225, 23157), (1245, 22785), (1395, 20335), (1519, 18675), (1575, 18011), (1743, 16275), (1953, 14525), (2075, 13671), (2205, 12865), (2325, 12201), (2573, 11025), (2905, 9765), (3255, 8715), (3675, 7719), (3735, 7595), (4067, 6975), (4557, 6225), (5229, 5425)]