72881601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 113839488

約数和(自身を除く): 40957887

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 2971, 8177, 8913, 24531, 38623, 50507, 109927, 115869, 151521, 329781, 656591, 1429051, 1868759, 1969773, 4287153, 5606277, 24293867, 72881601]

約数ペア:

[(1, 72881601), (3, 24293867), (13, 5606277), (17, 4287153), (37, 1969773), (39, 1868759), (51, 1429051), (111, 656591), (221, 329781), (481, 151521), (629, 115869), (663, 109927), (1443, 50507), (1887, 38623), (2971, 24531), (8177, 8913)]