2639241

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 4245696

約数和(自身を除く): 1606455

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 503, 583, 1509, 1749, 4527, 5247, 5533, 16599, 26659, 49797, 79977, 239931, 293249, 879747, 2639241]

約数ペア:

[(1, 2639241), (3, 879747), (9, 293249), (11, 239931), (33, 79977), (53, 49797), (99, 26659), (159, 16599), (477, 5533), (503, 5247), (583, 4527), (1509, 1749)]