40108257

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1549}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 68448000

約数和(自身を除く): 28339743

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 1549, 2877, 3699, 4647, 8631, 10843, 13941, 25893, 32529, 41823, 97587, 212213, 292761, 636639, 1485491, 1909917, 4456473, 5729751, 13369419, 40108257]

約数ペア:

[(1, 40108257), (3, 13369419), (7, 5729751), (9, 4456473), (21, 1909917), (27, 1485491), (63, 636639), (137, 292761), (189, 212213), (411, 97587), (959, 41823), (1233, 32529), (1549, 25893), (2877, 13941), (3699, 10843), (4647, 8631)]