209376999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{9887}}^1$

素因数の和:10087

約数の個数: 24

約数和(自身を含む): 327530112

約数和(自身を除く): 118153113

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1629, 2353, 7059, 9887, 21177, 29661, 88983, 128531, 385593, 1156779, 1789547, 5368641, 16105923, 23264111, 69792333, 209376999]

約数ペア:

[(1, 209376999), (3, 69792333), (9, 23264111), (13, 16105923), (39, 5368641), (117, 1789547), (181, 1156779), (543, 385593), (1629, 128531), (2353, 88983), (7059, 29661), (9887, 21177)]