20172317193

素因数分解:

$3^7\times 7^1\times {\mathrm{1317677}}^1$

素因数の和:1317705

約数の個数: 32

約数和(自身を含む): 34575870720

約数和(自身を除く): 14403553527

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 1317677, 3953031, 9223739, 11859093, 27671217, 35577279, 83013651, 106731837, 249040953, 320195511, 747122859, 960586533, 2241368577, 2881759599, 6724105731, 20172317193]

約数ペア:

[(1, 20172317193), (3, 6724105731), (7, 2881759599), (9, 2241368577), (21, 960586533), (27, 747122859), (63, 320195511), (81, 249040953), (189, 106731837), (243, 83013651), (567, 35577279), (729, 27671217), (1701, 11859093), (2187, 9223739), (5103, 3953031), (15309, 1317677)]