221753727

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10357}}^1$

素因数の和:10440

約数の個数: 32

約数和(自身を含む): 359629760

約数和(自身を除く): 137876033

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1647, 2379, 7137, 10357, 21411, 31071, 93213, 134641, 279639, 403923, 631777, 1211769, 1895331, 3635307, 5685993, 8213101, 17057979, 24639303, 73917909, 221753727]

約数ペア:

[(1, 221753727), (3, 73917909), (9, 24639303), (13, 17057979), (27, 8213101), (39, 5685993), (61, 3635307), (117, 1895331), (183, 1211769), (351, 631777), (549, 403923), (793, 279639), (1647, 134641), (2379, 93213), (7137, 31071), (10357, 21411)]