2559999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 3767904

約数和(自身を除く): 1207905

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 1601, 4803, 20813, 62439, 65641, 196923, 853333, 2559999]

約数ペア:

[(1, 2559999), (3, 853333), (13, 196923), (39, 65641), (41, 62439), (123, 20813), (533, 4803), (1599, 1601)]