15990555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2273}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 29689344

約数和(自身を除く): 13698789

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2273, 2345, 6819, 7035, 11365, 15911, 34095, 47733, 79555, 152291, 238665, 456873, 761455, 1066037, 2284365, 3198111, 5330185, 15990555]

約数ペア:

[(1, 15990555), (3, 5330185), (5, 3198111), (7, 2284365), (15, 1066037), (21, 761455), (35, 456873), (67, 238665), (105, 152291), (201, 79555), (335, 47733), (469, 34095), (1005, 15911), (1407, 11365), (2273, 7035), (2345, 6819)]