156731427

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 229909680

約数和(自身を除く): 73178253

約数列:

[1, 3, 9, 109, 197, 327, 591, 811, 981, 1773, 2433, 7299, 21473, 64419, 88399, 159767, 193257, 265197, 479301, 795591, 1437903, 17414603, 52243809, 156731427]

約数ペア:

[(1, 156731427), (3, 52243809), (9, 17414603), (109, 1437903), (197, 795591), (327, 479301), (591, 265197), (811, 193257), (981, 159767), (1773, 88399), (2433, 64419), (7299, 21473)]