81151665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2731}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 148970496

約数和(自身を除く): 67818831

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1981, 2731, 4245, 5943, 8193, 9905, 13655, 19117, 29715, 40965, 57351, 95585, 286755, 772873, 2318619, 3864365, 5410111, 11593095, 16230333, 27050555, 81151665]

約数ペア:

[(1, 81151665), (3, 27050555), (5, 16230333), (7, 11593095), (15, 5410111), (21, 3864365), (35, 2318619), (105, 772873), (283, 286755), (849, 95585), (1415, 57351), (1981, 40965), (2731, 29715), (4245, 19117), (5943, 13655), (8193, 9905)]