247842273

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{513131}}^1$

素因数の和:513164

約数の個数: 16

約数和(自身を含む): 394085376

約数和(自身を除く): 146243103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 513131, 1539393, 3591917, 10775751, 11802013, 35406039, 82614091, 247842273]

約数ペア:

[(1, 247842273), (3, 82614091), (7, 35406039), (21, 11802013), (23, 10775751), (69, 3591917), (161, 1539393), (483, 513131)]