728484001

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1\times {\mathrm{1667}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 840351744

約数和(自身を除く): 111867743

約数列:

[1, 7, 163, 383, 1141, 1667, 2681, 11669, 62429, 271721, 437003, 638461, 1902047, 4469227, 104069143, 728484001]

約数ペア:

[(1, 728484001), (7, 104069143), (163, 4469227), (383, 1902047), (1141, 638461), (1667, 437003), (2681, 271721), (11669, 62429)]