201997519155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1\times {\mathrm{6067}}^1$

素因数の和:6961

約数の個数: 96

約数和(自身を含む): 374402396160

約数和(自身を除く): 172404877005

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 823, 899, 1305, 1395, 2469, 2697, 4115, 4495, 6067, 7407, 8091, 12345, 13485, 18201, 23867, 25513, 30335, 37035, 40455, 54603, 71601, 76539, 91005, 119335, 127565, 175943, 188077, 214803, 229617, 273015, 358005, 382695, 527829, 564231, 739877, 879715, 940385, 1074015, 1148085, 1583487, 1692693, 2219631, 2639145, 2821155, 3699385, 4993141, 5454233, 6658893, 7917435, 8463465, 11098155, 14979423, 16362699, 24965705, 27271165, 33294465, 44938269, 49088097, 74897115, 81813495, 144801089, 154787371, 224691345, 245440485, 434403267, 464362113, 724005445, 773936855, 1303209801, 1393086339, 2172016335, 2321810565, 4488833759, 6516049005, 6965431695, 13466501277, 22444168795, 40399503831, 67332506385, 201997519155]

約数ペア:

[(1, 201997519155), (3, 67332506385), (5, 40399503831), (9, 22444168795), (15, 13466501277), (29, 6965431695), (31, 6516049005), (45, 4488833759), (87, 2321810565), (93, 2172016335), (145, 1393086339), (155, 1303209801), (261, 773936855), (279, 724005445), (435, 464362113), (465, 434403267), (823, 245440485), (899, 224691345), (1305, 154787371), (1395, 144801089), (2469, 81813495), (2697, 74897115), (4115, 49088097), (4495, 44938269), (6067, 33294465), (7407, 27271165), (8091, 24965705), (12345, 16362699), (13485, 14979423), (18201, 11098155), (23867, 8463465), (25513, 7917435), (30335, 6658893), (37035, 5454233), (40455, 4993141), (54603, 3699385), (71601, 2821155), (76539, 2639145), (91005, 2219631), (119335, 1692693), (127565, 1583487), (175943, 1148085), (188077, 1074015), (214803, 940385), (229617, 879715), (273015, 739877), (358005, 564231), (382695, 527829)]