40637909

素因数分解:

${\mathrm{13}}^3\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 16

約数和(自身を含む): 44982000

約数和(自身を除く): 4344091

約数列:

[1, 13, 53, 169, 349, 689, 2197, 4537, 8957, 18497, 58981, 116441, 240461, 766753, 3125993, 40637909]

約数ペア:

[(1, 40637909), (13, 3125993), (53, 766753), (169, 240461), (349, 116441), (689, 58981), (2197, 18497), (4537, 8957)]