28650405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 54760320

約数和(自身を除く): 26109915

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 97, 105, 145, 203, 291, 435, 485, 609, 679, 1015, 1455, 2037, 2813, 3045, 3395, 8439, 9409, 10185, 14065, 19691, 28227, 42195, 47045, 59073, 65863, 98455, 141135, 197589, 272861, 295365, 329315, 818583, 987945, 1364305, 1910027, 4092915, 5730081, 9550135, 28650405]

約数ペア:

[(1, 28650405), (3, 9550135), (5, 5730081), (7, 4092915), (15, 1910027), (21, 1364305), (29, 987945), (35, 818583), (87, 329315), (97, 295365), (105, 272861), (145, 197589), (203, 141135), (291, 98455), (435, 65863), (485, 59073), (609, 47045), (679, 42195), (1015, 28227), (1455, 19691), (2037, 14065), (2813, 10185), (3045, 9409), (3395, 8439)]