389626839

素因数分解:

$3^2\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{3967}}^1$

素因数の和:5539

約数の個数: 24

約数和(自身を含む): 643768320

約数和(自身を除く): 254141481

約数列:

[1, 3, 7, 9, 21, 63, 1559, 3967, 4677, 10913, 11901, 14031, 27769, 32739, 35703, 83307, 98217, 249921, 6184553, 18553659, 43291871, 55660977, 129875613, 389626839]

約数ペア:

[(1, 389626839), (3, 129875613), (7, 55660977), (9, 43291871), (21, 18553659), (63, 6184553), (1559, 249921), (3967, 98217), (4677, 83307), (10913, 35703), (11901, 32739), (14031, 27769)]