254879991

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{2579}}^1$

素因数の和:2803

約数の個数: 24

約数和(自身を含む): 375648000

約数和(自身を除く): 120768009

約数列:

[1, 3, 9, 79, 139, 237, 417, 711, 1251, 2579, 7737, 10981, 23211, 32943, 98829, 203741, 358481, 611223, 1075443, 1833669, 3226329, 28319999, 84959997, 254879991]

約数ペア:

[(1, 254879991), (3, 84959997), (9, 28319999), (79, 3226329), (139, 1833669), (237, 1075443), (417, 611223), (711, 358481), (1251, 203741), (2579, 98829), (7737, 32943), (10981, 23211)]