291220629

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{195319}}^1$

素因数の和:195400

約数の個数: 16

約数和(自身を含む): 450017280

約数和(自身を除く): 158796651

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 195319, 585957, 1367233, 4101699, 13867649, 41602947, 97073543, 291220629]

約数ペア:

[(1, 291220629), (3, 97073543), (7, 41602947), (21, 13867649), (71, 4101699), (213, 1367233), (497, 585957), (1491, 195319)]