217435563

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9928

約数の個数: 32

約数和(自身を含む): 347001600

約数和(自身を除く): 129566037

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 2451, 7353, 9857, 22059, 29571, 88713, 187283, 266139, 423851, 561849, 1271553, 1685547, 3814659, 5056641, 8053169, 11443977, 24159507, 72478521, 217435563]

約数ペア:

[(1, 217435563), (3, 72478521), (9, 24159507), (19, 11443977), (27, 8053169), (43, 5056641), (57, 3814659), (129, 1685547), (171, 1271553), (387, 561849), (513, 423851), (817, 266139), (1161, 187283), (2451, 88713), (7353, 29571), (9857, 22059)]