28270827

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18587}}^1$

素因数の和:18619

約数の個数: 18

約数和(自身を含む): 44220852

約数和(自身を除く): 15950025

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18587, 55761, 167283, 241631, 724893, 2174679, 3141203, 9423609, 28270827]

約数ペア:

[(1, 28270827), (3, 9423609), (9, 3141203), (13, 2174679), (39, 724893), (117, 241631), (169, 167283), (507, 55761), (1521, 18587)]