81220635

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{11953}}^1$

素因数の和:12115

約数の個数: 24

約数和(自身を含む): 141726624

約数和(自身を除く): 60505989

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 11953, 35859, 59765, 107577, 179295, 537885, 1804903, 5414709, 9024515, 16244127, 27073545, 81220635]

約数ペア:

[(1, 81220635), (3, 27073545), (5, 16244127), (9, 9024515), (15, 5414709), (45, 1804903), (151, 537885), (453, 179295), (755, 107577), (1359, 59765), (2265, 35859), (6795, 11953)]