140768025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{43649}}^1$

素因数の和:43705

約数の個数: 24

約数和(自身を含む): 238154400

約数和(自身を除く): 97386375

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 43649, 130947, 218245, 654735, 1091225, 1876907, 3273675, 5630721, 9384535, 28153605, 46922675, 140768025]

約数ペア:

[(1, 140768025), (3, 46922675), (5, 28153605), (15, 9384535), (25, 5630721), (43, 3273675), (75, 1876907), (129, 1091225), (215, 654735), (645, 218245), (1075, 130947), (3225, 43649)]