311907189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 462827520

約数和(自身を除く): 150920331

約数列:

[1, 3, 11, 33, 71, 213, 239, 557, 717, 781, 1671, 2343, 2629, 6127, 7887, 16969, 18381, 39547, 50907, 118641, 133123, 186659, 399369, 435017, 559977, 1305051, 1464353, 4393059, 9451733, 28355199, 103969063, 311907189]

約数ペア:

[(1, 311907189), (3, 103969063), (11, 28355199), (33, 9451733), (71, 4393059), (213, 1464353), (239, 1305051), (557, 559977), (717, 435017), (781, 399369), (1671, 186659), (2343, 133123), (2629, 118641), (6127, 50907), (7887, 39547), (16969, 18381)]