16915327

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 21450240

約数和(自身を除く): 4534913

約数列:

[1, 11, 13, 23, 37, 139, 143, 253, 299, 407, 481, 851, 1529, 1807, 3197, 3289, 5143, 5291, 9361, 11063, 19877, 35167, 41561, 56573, 66859, 118289, 121693, 457171, 735449, 1301179, 1537757, 16915327]

約数ペア:

[(1, 16915327), (11, 1537757), (13, 1301179), (23, 735449), (37, 457171), (139, 121693), (143, 118289), (253, 66859), (299, 56573), (407, 41561), (481, 35167), (851, 19877), (1529, 11063), (1807, 9361), (3197, 5291), (3289, 5143)]