28069335

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9901}}^1$

素因数の和:9925

約数の個数: 40

約数和(自身を含む): 57510816

約数和(自身を除く): 29441481

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9901, 29703, 49505, 69307, 89109, 148515, 207921, 267327, 346535, 445545, 623763, 801981, 1039605, 1336635, 1871289, 3118815, 4009905, 5613867, 9356445, 28069335]

約数ペア:

[(1, 28069335), (3, 9356445), (5, 5613867), (7, 4009905), (9, 3118815), (15, 1871289), (21, 1336635), (27, 1039605), (35, 801981), (45, 623763), (63, 445545), (81, 346535), (105, 267327), (135, 207921), (189, 148515), (315, 89109), (405, 69307), (567, 49505), (945, 29703), (2835, 9901)]