28831305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 48496896

約数和(自身を除く): 19665591

約数列:

[1, 3, 5, 15, 23, 69, 115, 193, 345, 433, 579, 965, 1299, 2165, 2895, 4439, 6495, 9959, 13317, 22195, 29877, 49795, 66585, 83569, 149385, 250707, 417845, 1253535, 1922087, 5766261, 9610435, 28831305]

約数ペア:

[(1, 28831305), (3, 9610435), (5, 5766261), (15, 1922087), (23, 1253535), (69, 417845), (115, 250707), (193, 149385), (345, 83569), (433, 66585), (579, 49795), (965, 29877), (1299, 22195), (2165, 13317), (2895, 9959), (4439, 6495)]