2878335

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 5451264

約数和(自身を除く): 2572929

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 103, 115, 135, 207, 243, 309, 345, 405, 515, 621, 927, 1035, 1215, 1545, 1863, 2369, 2781, 3105, 4635, 5589, 7107, 8343, 9315, 11845, 13905, 21321, 25029, 27945, 35535, 41715, 63963, 106605, 125145, 191889, 319815, 575667, 959445, 2878335]

約数ペア:

[(1, 2878335), (3, 959445), (5, 575667), (9, 319815), (15, 191889), (23, 125145), (27, 106605), (45, 63963), (69, 41715), (81, 35535), (103, 27945), (115, 25029), (135, 21321), (207, 13905), (243, 11845), (309, 9315), (345, 8343), (405, 7107), (515, 5589), (621, 4635), (927, 3105), (1035, 2781), (1215, 2369), (1545, 1863)]