1220355

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 2164032

約数和(自身を除く): 943677

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 577, 705, 1731, 2115, 2885, 5193, 8655, 25965, 27119, 81357, 135595, 244071, 406785, 1220355]

約数ペア:

[(1, 1220355), (3, 406785), (5, 244071), (9, 135595), (15, 81357), (45, 27119), (47, 25965), (141, 8655), (235, 5193), (423, 2885), (577, 2115), (705, 1731)]