680704227

素因数分解:

$3^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{5869}}^1$

素因数の和:6152

約数の個数: 36

約数和(自身を含む): 1148312880

約数和(自身を除く): 467608653

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 263, 441, 789, 1841, 2367, 5523, 5869, 12887, 16569, 17607, 38661, 41083, 52821, 115983, 123249, 287581, 369747, 862743, 1543547, 2588229, 4630641, 10804829, 13891923, 32414487, 75633803, 97243461, 226901409, 680704227]

約数ペア:

[(1, 680704227), (3, 226901409), (7, 97243461), (9, 75633803), (21, 32414487), (49, 13891923), (63, 10804829), (147, 4630641), (263, 2588229), (441, 1543547), (789, 862743), (1841, 369747), (2367, 287581), (5523, 123249), (5869, 115983), (12887, 52821), (16569, 41083), (17607, 38661)]