28347039

素因数分解:

$3^2\times 7^2\times {\mathrm{64279}}^1$

素因数の和:64299

約数の個数: 18

約数和(自身を含む): 47631480

約数和(自身を除く): 19284441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64279, 192837, 449953, 578511, 1349859, 3149671, 4049577, 9449013, 28347039]

約数ペア:

[(1, 28347039), (3, 9449013), (7, 4049577), (9, 3149671), (21, 1349859), (49, 578511), (63, 449953), (147, 192837), (441, 64279)]