217420359

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{4421}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 317216592

約数和(自身を除く): 99796233

約数列:

[1, 3, 13, 39, 97, 169, 291, 507, 1261, 3783, 4421, 13263, 16393, 49179, 57473, 172419, 428837, 747149, 1286511, 2241447, 5574881, 16724643, 72473453, 217420359]

約数ペア:

[(1, 217420359), (3, 72473453), (13, 16724643), (39, 5574881), (97, 2241447), (169, 1286511), (291, 747149), (507, 428837), (1261, 172419), (3783, 57473), (4421, 49179), (13263, 16393)]