247707933

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{18443}}^1$

素因数の和:18505

約数の個数: 24

約数和(自身を含む): 372863904

約数和(自身を除く): 125155971

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 18443, 55329, 202873, 608619, 682391, 2047173, 2231603, 6694809, 7506301, 22518903, 82569311, 247707933]

約数ペア:

[(1, 247707933), (3, 82569311), (11, 22518903), (33, 7506301), (37, 6694809), (111, 2231603), (121, 2047173), (363, 682391), (407, 608619), (1221, 202873), (4477, 55329), (13431, 18443)]