431657991

素因数分解:

$3^4\times {\mathrm{821}}^1\times {\mathrm{6491}}^1$

素因数の和:7324

約数の個数: 20

約数和(自身を含む): 645707304

約数和(自身を除く): 214049313

約数列:

[1, 3, 9, 27, 81, 821, 2463, 6491, 7389, 19473, 22167, 58419, 66501, 175257, 525771, 5329111, 15987333, 47961999, 143885997, 431657991]

約数ペア:

[(1, 431657991), (3, 143885997), (9, 47961999), (27, 15987333), (81, 5329111), (821, 525771), (2463, 175257), (6491, 66501), (7389, 58419), (19473, 22167)]