420990873

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{358901}}^1$

素因数の和:358944

約数の個数: 16

約数和(自身を含む): 620182656

約数和(自身を除く): 199191783

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 358901, 1076703, 6101317, 8254723, 18303951, 24764169, 140330291, 420990873]

約数ペア:

[(1, 420990873), (3, 140330291), (17, 24764169), (23, 18303951), (51, 8254723), (69, 6101317), (391, 1076703), (1173, 358901)]