31517667

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{9049}}^1$

素因数の和:9104

約数の個数: 20

約数和(自身を含む): 48182200

約数和(自身を除く): 16664533

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 9049, 27147, 81441, 244323, 389107, 732969, 1167321, 3501963, 10505889, 31517667]

約数ペア:

[(1, 31517667), (3, 10505889), (9, 3501963), (27, 1167321), (43, 732969), (81, 389107), (129, 244323), (387, 81441), (1161, 27147), (3483, 9049)]