209518881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 342310080

約数和(自身を除く): 132791199

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 121, 143, 319, 363, 377, 429, 957, 1131, 1531, 1573, 3509, 4147, 4593, 4719, 10527, 12441, 16841, 19903, 44399, 45617, 50523, 59709, 133197, 136851, 185251, 218933, 488389, 555753, 577187, 656799, 1465167, 1731561, 2408263, 5372279, 6349057, 7224789, 16116837, 19047171, 69839627, 209518881]

約数ペア:

[(1, 209518881), (3, 69839627), (11, 19047171), (13, 16116837), (29, 7224789), (33, 6349057), (39, 5372279), (87, 2408263), (121, 1731561), (143, 1465167), (319, 656799), (363, 577187), (377, 555753), (429, 488389), (957, 218933), (1131, 185251), (1531, 136851), (1573, 133197), (3509, 59709), (4147, 50523), (4593, 45617), (4719, 44399), (10527, 19903), (12441, 16841)]