72320655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2689}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 127054080

約数和(自身を除く): 54733425

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1793, 2445, 2689, 5379, 8067, 8965, 13445, 26895, 29579, 40335, 88737, 147895, 438307, 443685, 1314921, 2191535, 4821377, 6574605, 14464131, 24106885, 72320655]

約数ペア:

[(1, 72320655), (3, 24106885), (5, 14464131), (11, 6574605), (15, 4821377), (33, 2191535), (55, 1314921), (163, 443685), (165, 438307), (489, 147895), (815, 88737), (1793, 40335), (2445, 29579), (2689, 26895), (5379, 13445), (8067, 8965)]