2798991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 4455360

約数和(自身を除く): 1656369

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 509, 611, 1527, 1833, 4581, 5499, 6617, 19851, 23923, 59553, 71769, 215307, 310999, 932997, 2798991]

約数ペア:

[(1, 2798991), (3, 932997), (9, 310999), (13, 215307), (39, 71769), (47, 59553), (117, 23923), (141, 19851), (423, 6617), (509, 5499), (611, 4581), (1527, 1833)]