164543665

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20961

約数の個数: 24

約数和(自身を含む): 233740584

約数和(自身を除く): 69196919

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 20921, 104605, 230131, 271973, 1150655, 1359865, 2531441, 2991703, 12657205, 14958515, 32908733, 164543665]

約数ペア:

[(1, 164543665), (5, 32908733), (11, 14958515), (13, 12657205), (55, 2991703), (65, 2531441), (121, 1359865), (143, 1150655), (605, 271973), (715, 230131), (1573, 104605), (7865, 20921)]