28696515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 48686400

約数和(自身を除く): 19989885

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1189, 1609, 3567, 4827, 5945, 8045, 17835, 24135, 46661, 65969, 139983, 197907, 233305, 329845, 699915, 989535, 1913101, 5739303, 9565505, 28696515]

約数ペア:

[(1, 28696515), (3, 9565505), (5, 5739303), (15, 1913101), (29, 989535), (41, 699915), (87, 329845), (123, 233305), (145, 197907), (205, 139983), (435, 65969), (615, 46661), (1189, 24135), (1609, 17835), (3567, 8045), (4827, 5945)]