163897525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{54181}}^1$

素因数の和:54213

約数の個数: 18

約数和(自身を含む): 223392386

約数和(自身を除く): 59494861

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 54181, 270905, 595991, 1354525, 2979955, 6555901, 14899775, 32779505, 163897525]

約数ペア:

[(1, 163897525), (5, 32779505), (11, 14899775), (25, 6555901), (55, 2979955), (121, 1354525), (275, 595991), (605, 270905), (3025, 54181)]