213005655

素因数分解:

$3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5851}}^1$

素因数の和:6671

約数の個数: 24

約数和(自身を含む): 369729360

約数和(自身を除く): 156723705

約数列:

[1, 3, 5, 9, 15, 45, 809, 2427, 4045, 5851, 7281, 12135, 17553, 29255, 36405, 52659, 87765, 263295, 4733459, 14200377, 23667295, 42601131, 71001885, 213005655]

約数ペア:

[(1, 213005655), (3, 71001885), (5, 42601131), (9, 23667295), (15, 14200377), (45, 4733459), (809, 263295), (2427, 87765), (4045, 52659), (5851, 36405), (7281, 29255), (12135, 17553)]