81811515

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{54001}}^1$

素因数の和:54110

約数の個数: 16

約数和(自身を含む): 132196896

約数和(自身を除く): 50385381

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 54001, 162003, 270005, 810015, 5454101, 16362303, 27270505, 81811515]

約数ペア:

[(1, 81811515), (3, 27270505), (5, 16362303), (15, 5454101), (101, 810015), (303, 270005), (505, 162003), (1515, 54001)]