27940745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 12770935

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 569, 805, 1403, 2135, 2845, 3983, 7015, 9821, 13087, 19915, 34709, 49105, 65435, 91609, 173545, 242963, 458045, 798307, 1214815, 3991535, 5588149, 27940745]

約数ペア:

[(1, 27940745), (5, 5588149), (7, 3991535), (23, 1214815), (35, 798307), (61, 458045), (115, 242963), (161, 173545), (305, 91609), (427, 65435), (569, 49105), (805, 34709), (1403, 19915), (2135, 13087), (2845, 9821), (3983, 7015)]