2699487

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^2$

素因数の和:71

約数の個数: 42

約数和(自身を含む): 4835432

約数和(自身を除く): 2135945

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 529, 567, 621, 729, 1449, 1587, 1701, 1863, 3703, 4347, 4761, 5103, 5589, 11109, 13041, 14283, 16767, 33327, 39123, 42849, 99981, 117369, 128547, 299943, 385641, 899829, 2699487]

約数ペア:

[(1, 2699487), (3, 899829), (7, 385641), (9, 299943), (21, 128547), (23, 117369), (27, 99981), (63, 42849), (69, 39123), (81, 33327), (161, 16767), (189, 14283), (207, 13041), (243, 11109), (483, 5589), (529, 5103), (567, 4761), (621, 4347), (729, 3703), (1449, 1863), (1587, 1701)]