31061790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4945

約数の個数: 48

約数和(自身を含む): 81914976

約数和(自身を除く): 50853186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4861, 6390, 9722, 14583, 24305, 29166, 43749, 48610, 72915, 87498, 145830, 218745, 345131, 437490, 690262, 1035393, 1725655, 2070786, 3106179, 3451310, 5176965, 6212358, 10353930, 15530895, 31061790]

約数ペア:

[(1, 31061790), (2, 15530895), (3, 10353930), (5, 6212358), (6, 5176965), (9, 3451310), (10, 3106179), (15, 2070786), (18, 1725655), (30, 1035393), (45, 690262), (71, 437490), (90, 345131), (142, 218745), (213, 145830), (355, 87498), (426, 72915), (639, 48610), (710, 43749), (1065, 29166), (1278, 24305), (2130, 14583), (3195, 9722), (4861, 6390)]