215544231

素因数分解:

$3^2\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{2137}}^1$

素因数の和:3751

約数の個数: 24

約数和(自身を含む): 356207904

約数和(自身を除く): 140663673

約数列:

[1, 3, 7, 9, 21, 63, 1601, 2137, 4803, 6411, 11207, 14409, 14959, 19233, 33621, 44877, 100863, 134631, 3421337, 10264011, 23949359, 30792033, 71848077, 215544231]

約数ペア:

[(1, 215544231), (3, 71848077), (7, 30792033), (9, 23949359), (21, 10264011), (63, 3421337), (1601, 134631), (2137, 100863), (4803, 44877), (6411, 33621), (11207, 19233), (14409, 14959)]