2666001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 3858624

約数和(自身を除く): 1192623

約数列:

[1, 3, 13, 39, 197, 347, 591, 1041, 2561, 4511, 7683, 13533, 68359, 205077, 888667, 2666001]

約数ペア:

[(1, 2666001), (3, 888667), (13, 205077), (39, 68359), (197, 13533), (347, 7683), (591, 4511), (1041, 2561)]