28440555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13259}}^1$

素因数の和:13291

約数の個数: 32

約数和(自身を含む): 53464320

約数和(自身を除く): 25023765

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13259, 39777, 66295, 145849, 172367, 198885, 437547, 517101, 729245, 861835, 1896037, 2187735, 2585505, 5688111, 9480185, 28440555]

約数ペア:

[(1, 28440555), (3, 9480185), (5, 5688111), (11, 2585505), (13, 2187735), (15, 1896037), (33, 861835), (39, 729245), (55, 517101), (65, 437547), (143, 198885), (165, 172367), (195, 145849), (429, 66295), (715, 39777), (2145, 13259)]