221501787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 327571776

約数和(自身を除く): 106069989

約数列:

[1, 3, 13, 39, 53, 101, 159, 303, 689, 1061, 1313, 2067, 3183, 3939, 5353, 13793, 16059, 41379, 56233, 69589, 107161, 168699, 208767, 321483, 731029, 1393093, 2193087, 4179279, 5679533, 17038599, 73833929, 221501787]

約数ペア:

[(1, 221501787), (3, 73833929), (13, 17038599), (39, 5679533), (53, 4179279), (101, 2193087), (159, 1393093), (303, 731029), (689, 321483), (1061, 208767), (1313, 168699), (2067, 107161), (3183, 69589), (3939, 56233), (5353, 41379), (13793, 16059)]