30781305

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40237}}^1$

素因数の和:40265

約数の個数: 24

約数和(自身を含む): 56494152

約数和(自身を除く): 25712847

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 40237, 120711, 201185, 362133, 603555, 684029, 1810665, 2052087, 3420145, 6156261, 10260435, 30781305]

約数ペア:

[(1, 30781305), (3, 10260435), (5, 6156261), (9, 3420145), (15, 2052087), (17, 1810665), (45, 684029), (51, 603555), (85, 362133), (153, 201185), (255, 120711), (765, 40237)]