220663695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{12893}}^1$

素因数の和:13071

約数の個数: 32

約数和(自身を含む): 406006272

約数和(自身を除く): 185342577

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 2445, 3423, 5705, 12893, 17115, 38679, 64465, 90251, 193395, 270753, 451255, 1353765, 2101559, 6304677, 10507795, 14710913, 31523385, 44132739, 73554565, 220663695]

約数ペア:

[(1, 220663695), (3, 73554565), (5, 44132739), (7, 31523385), (15, 14710913), (21, 10507795), (35, 6304677), (105, 2101559), (163, 1353765), (489, 451255), (815, 270753), (1141, 193395), (2445, 90251), (3423, 64465), (5705, 38679), (12893, 17115)]