30721203

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 45467136

約数和(自身を除く): 14745933

約数列:

[1, 3, 9, 71, 131, 213, 367, 393, 639, 1101, 1179, 3303, 9301, 26057, 27903, 48077, 78171, 83709, 144231, 234513, 432693, 3413467, 10240401, 30721203]

約数ペア:

[(1, 30721203), (3, 10240401), (9, 3413467), (71, 432693), (131, 234513), (213, 144231), (367, 83709), (393, 78171), (639, 48077), (1101, 27903), (1179, 26057), (3303, 9301)]