2720295

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 4797312

約数和(自身を除く): 2077017

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 991, 2745, 2973, 4955, 8919, 14865, 44595, 60451, 181353, 302255, 544059, 906765, 2720295]

約数ペア:

[(1, 2720295), (3, 906765), (5, 544059), (9, 302255), (15, 181353), (45, 60451), (61, 44595), (183, 14865), (305, 8919), (549, 4955), (915, 2973), (991, 2745)]