80520255

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10343}}^1$

素因数の和:10527

約数の個数: 24

約数和(自身を含む): 140388768

約数和(自身を除く): 59868513

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 10343, 31029, 51715, 93087, 155145, 465435, 1789339, 5368017, 8946695, 16104051, 26840085, 80520255]

約数ペア:

[(1, 80520255), (3, 26840085), (5, 16104051), (9, 8946695), (15, 5368017), (45, 1789339), (173, 465435), (519, 155145), (865, 93087), (1557, 51715), (2595, 31029), (7785, 10343)]