221883123

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137219}}^1$

素因数の和:137247

約数の個数: 24

約数和(自身を含む): 375433920

約数和(自身を除く): 153550797

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 137219, 411657, 960533, 1509409, 2881599, 4528227, 6723731, 10565863, 20171193, 31697589, 73961041, 221883123]

約数ペア:

[(1, 221883123), (3, 73961041), (7, 31697589), (11, 20171193), (21, 10565863), (33, 6723731), (49, 4528227), (77, 2881599), (147, 1509409), (231, 960533), (539, 411657), (1617, 137219)]