28188393

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3001}}^1$

素因数の和:3136

約数の個数: 16

約数和(自身を含む): 39194112

約数和(自身を除く): 11005719

約数列:

[1, 3, 31, 93, 101, 303, 3001, 3131, 9003, 9393, 93031, 279093, 303101, 909303, 9396131, 28188393]

約数ペア:

[(1, 28188393), (3, 9396131), (31, 909303), (93, 303101), (101, 279093), (303, 93031), (3001, 9393), (3131, 9003)]