214908507

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{21493}}^1$

素因数の和:21611

約数の個数: 24

約数和(自身を含む): 342012528

約数和(自身を除く): 127104021

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999, 21493, 64479, 193437, 236423, 709269, 2127807, 2170793, 6512379, 19537137, 23878723, 71636169, 214908507]

約数ペア:

[(1, 214908507), (3, 71636169), (9, 23878723), (11, 19537137), (33, 6512379), (99, 2170793), (101, 2127807), (303, 709269), (909, 236423), (1111, 193437), (3333, 64479), (9999, 21493)]