256399011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{69997}}^1$

素因数の和:70051

約数の個数: 24

約数和(自身を含む): 414948144

約数和(自身を除く): 158549133

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 69997, 209991, 629973, 769967, 2309901, 2589889, 6929703, 7769667, 23309001, 28488779, 85466337, 256399011]

約数ペア:

[(1, 256399011), (3, 85466337), (9, 28488779), (11, 23309001), (33, 7769667), (37, 6929703), (99, 2589889), (111, 2309901), (333, 769967), (407, 629973), (1221, 209991), (3663, 69997)]