918492057

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{61001}}^1$

素因数の和:61253

約数の個数: 24

約数和(自身を含む): 1522609920

約数和(自身を除く): 604117863

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 61001, 183003, 427007, 549009, 1281021, 3843063, 14579239, 43737717, 102054673, 131213151, 306164019, 918492057]

約数ペア:

[(1, 918492057), (3, 306164019), (7, 131213151), (9, 102054673), (21, 43737717), (63, 14579239), (239, 3843063), (717, 1281021), (1673, 549009), (2151, 427007), (5019, 183003), (15057, 61001)]