67288635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87959}}^1$

素因数の和:87987

約数の個数: 24

約数和(自身を含む): 123495840

約数和(自身を除く): 56207205

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 87959, 263877, 439795, 791631, 1319385, 1495303, 3958155, 4485909, 7476515, 13457727, 22429545, 67288635]

約数ペア:

[(1, 67288635), (3, 22429545), (5, 13457727), (9, 7476515), (15, 4485909), (17, 3958155), (45, 1495303), (51, 1319385), (85, 791631), (153, 439795), (255, 263877), (765, 87959)]