43940421

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1697}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 74983680

約数和(自身を除く): 31043259

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 1697, 2877, 3699, 5091, 8631, 11879, 15273, 25893, 35637, 45819, 106911, 232489, 320733, 697467, 1627423, 2092401, 4882269, 6277203, 14646807, 43940421]

約数ペア:

[(1, 43940421), (3, 14646807), (7, 6277203), (9, 4882269), (21, 2092401), (27, 1627423), (63, 697467), (137, 320733), (189, 232489), (411, 106911), (959, 45819), (1233, 35637), (1697, 25893), (2877, 15273), (3699, 11879), (5091, 8631)]