8657181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 13698776

約数和(自身を除く): 5041595

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 1213, 2379, 3639, 7137, 10917, 15769, 47307, 73993, 141921, 221979, 665937, 961909, 2885727, 8657181]

約数ペア:

[(1, 8657181), (3, 2885727), (9, 961909), (13, 665937), (39, 221979), (61, 141921), (117, 73993), (183, 47307), (549, 15769), (793, 10917), (1213, 7137), (2379, 3639)]