9920961

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 28

約数和(自身を含む): 15389440

約数和(自身を除く): 5468479

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 439, 729, 837, 1317, 2511, 3951, 7533, 11853, 13609, 22599, 35559, 40827, 106677, 122481, 320031, 367443, 1102329, 3306987, 9920961]

約数ペア:

[(1, 9920961), (3, 3306987), (9, 1102329), (27, 367443), (31, 320031), (81, 122481), (93, 106677), (243, 40827), (279, 35559), (439, 22599), (729, 13609), (837, 11853), (1317, 7533), (2511, 3951)]