289421937

素因数分解:

$3^3\times 7^1\times {\mathrm{1531333}}^1$

素因数の和:1531349

約数の個数: 16

約数和(自身を含む): 490026880

約数和(自身を除く): 200604943

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1531333, 4593999, 10719331, 13781997, 32157993, 41345991, 96473979, 289421937]

約数ペア:

[(1, 289421937), (3, 96473979), (7, 41345991), (9, 32157993), (21, 13781997), (27, 10719331), (63, 4593999), (189, 1531333)]