28728255

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31397}}^1$

素因数の和:31466

約数の個数: 16

約数和(自身を含む): 46720224

約数和(自身を除く): 17991969

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 31397, 94191, 156985, 470955, 1915217, 5745651, 9576085, 28728255]

約数ペア:

[(1, 28728255), (3, 9576085), (5, 5745651), (15, 1915217), (61, 470955), (183, 156985), (305, 94191), (915, 31397)]