254141517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1699}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 411264000

約数和(自身を除く): 157122483

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 419, 1257, 1699, 2933, 5097, 7123, 8799, 11893, 21369, 28883, 35679, 49861, 86649, 149583, 202181, 606543, 711881, 2135643, 4983167, 12101977, 14949501, 36305931, 84713839, 254141517]

約数ペア:

[(1, 254141517), (3, 84713839), (7, 36305931), (17, 14949501), (21, 12101977), (51, 4983167), (119, 2135643), (357, 711881), (419, 606543), (1257, 202181), (1699, 149583), (2933, 86649), (5097, 49861), (7123, 35679), (8799, 28883), (11893, 21369)]