12945381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 18856512

約数和(自身を除く): 5911131

約数列:

[1, 3, 17, 41, 51, 123, 151, 453, 697, 1681, 2091, 2567, 5043, 6191, 7701, 18573, 28577, 85731, 105247, 253831, 315741, 761493, 4315127, 12945381]

約数ペア:

[(1, 12945381), (3, 4315127), (17, 761493), (41, 315741), (51, 253831), (123, 105247), (151, 85731), (453, 28577), (697, 18573), (1681, 7701), (2091, 6191), (2567, 5043)]