31443321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 20569479

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 773, 1043, 1937, 2319, 3129, 5411, 5811, 10049, 13559, 16233, 30147, 40677, 70343, 115177, 211029, 345531, 806239, 1497301, 2418717, 4491903, 10481107, 31443321]

約数ペア:

[(1, 31443321), (3, 10481107), (7, 4491903), (13, 2418717), (21, 1497301), (39, 806239), (91, 345531), (149, 211029), (273, 115177), (447, 70343), (773, 40677), (1043, 30147), (1937, 16233), (2319, 13559), (3129, 10049), (5411, 5811)]