2638665

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 4612608

約数和(自身を除く): 1973943

約数列:

[1, 3, 5, 9, 15, 45, 191, 307, 573, 921, 955, 1535, 1719, 2763, 2865, 4605, 8595, 13815, 58637, 175911, 293185, 527733, 879555, 2638665]

約数ペア:

[(1, 2638665), (3, 879555), (5, 527733), (9, 293185), (15, 175911), (45, 58637), (191, 13815), (307, 8595), (573, 4605), (921, 2865), (955, 2763), (1535, 1719)]