856297221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{708269}}^1$

素因数の和:708316

約数の個数: 16

約数和(自身を含む): 1269219840

約数和(自身を除く): 412922619

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 708269, 2124807, 9207497, 21956339, 27622491, 65869017, 285432407, 856297221]

約数ペア:

[(1, 856297221), (3, 285432407), (13, 65869017), (31, 27622491), (39, 21956339), (93, 9207497), (403, 2124807), (1209, 708269)]