7221123

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2939}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 13171200

約数和(自身を除く): 5950077

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 2939, 8817, 20573, 26451, 38207, 61719, 79353, 114621, 185157, 267449, 343863, 555471, 802347, 1031589, 2407041, 7221123]

約数ペア:

[(1, 7221123), (3, 2407041), (7, 1031589), (9, 802347), (13, 555471), (21, 343863), (27, 267449), (39, 185157), (63, 114621), (91, 79353), (117, 61719), (189, 38207), (273, 26451), (351, 20573), (819, 8817), (2457, 2939)]