28289505

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23873}}^1$

素因数の和:23960

約数の個数: 16

約数和(自身を含む): 45838080

約数和(自身を除く): 17548575

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 23873, 71619, 119365, 358095, 1885967, 5657901, 9429835, 28289505]

約数ペア:

[(1, 28289505), (3, 9429835), (5, 5657901), (15, 1885967), (79, 358095), (237, 119365), (395, 71619), (1185, 23873)]