40640859

素因数分解:

$3^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 69908960

約数和(自身を除く): 29268101

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 229, 313, 567, 687, 939, 1603, 2061, 2191, 2817, 4809, 6183, 6573, 8451, 14427, 18549, 19719, 25353, 43281, 59157, 71677, 129843, 177471, 215031, 501739, 645093, 1505217, 1935279, 4515651, 5805837, 13546953, 40640859]

約数ペア:

[(1, 40640859), (3, 13546953), (7, 5805837), (9, 4515651), (21, 1935279), (27, 1505217), (63, 645093), (81, 501739), (189, 215031), (229, 177471), (313, 129843), (567, 71677), (687, 59157), (939, 43281), (1603, 25353), (2061, 19719), (2191, 18549), (2817, 14427), (4809, 8451), (6183, 6573)]