12270115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 17431344

約数和(自身を除く): 5161229

約数列:

[1, 5, 11, 13, 55, 65, 131, 143, 655, 715, 1441, 1703, 7205, 8515, 17161, 18733, 85805, 93665, 188771, 223093, 943855, 1115465, 2454023, 12270115]

約数ペア:

[(1, 12270115), (5, 2454023), (11, 1115465), (13, 943855), (55, 223093), (65, 188771), (131, 93665), (143, 85805), (655, 18733), (715, 17161), (1441, 8515), (1703, 7205)]