28156791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17609}}^1$

素因数の和:17666

約数の個数: 16

約数和(自身を含む): 41418720

約数和(自身を除く): 13261929

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17609, 52827, 228917, 686751, 721969, 2165907, 9385597, 28156791]

約数ペア:

[(1, 28156791), (3, 9385597), (13, 2165907), (39, 721969), (41, 686751), (123, 228917), (533, 52827), (1599, 17609)]