2591979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 3814944

約数和(自身を除く): 1222965

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 1621, 4863, 21073, 63219, 66461, 199383, 863993, 2591979]

約数ペア:

[(1, 2591979), (3, 863993), (13, 199383), (39, 66461), (41, 63219), (123, 21073), (533, 4863), (1599, 1621)]