287489853

素因数分解:

$3^2\times 7^1\times {\mathrm{4563331}}^1$

素因数の和:4563344

約数の個数: 12

約数和(自身を含む): 474586528

約数和(自身を除く): 187096675

約数列:

[1, 3, 7, 9, 21, 63, 4563331, 13689993, 31943317, 41069979, 95829951, 287489853]

約数ペア:

[(1, 287489853), (3, 95829951), (7, 41069979), (9, 31943317), (21, 13689993), (63, 4563331)]