290767983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 449245440

約数和(自身を除く): 158477457

約数列:

[1, 3, 11, 17, 33, 51, 187, 419, 561, 1237, 1257, 3711, 4609, 7123, 13607, 13827, 21029, 21369, 40821, 63087, 78353, 231319, 235059, 518303, 693957, 1554909, 5701333, 8811151, 17103999, 26433453, 96922661, 290767983]

約数ペア:

[(1, 290767983), (3, 96922661), (11, 26433453), (17, 17103999), (33, 8811151), (51, 5701333), (187, 1554909), (419, 693957), (561, 518303), (1237, 235059), (1257, 231319), (3711, 78353), (4609, 63087), (7123, 40821), (13607, 21369), (13827, 21029)]