2997775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 18

約数和(自身を含む): 4090016

約数和(自身を除く): 1092241

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 991, 3025, 4955, 10901, 24775, 54505, 119911, 272525, 599555, 2997775]

約数ペア:

[(1, 2997775), (5, 599555), (11, 272525), (25, 119911), (55, 54505), (121, 24775), (275, 10901), (605, 4955), (991, 3025)]