12812985

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1895

約数の個数: 40

約数和(自身を含む): 24332616

約数和(自身を除く): 11519631

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 1861, 2295, 5583, 6885, 9305, 16749, 27915, 31637, 50247, 83745, 94911, 150741, 158185, 251235, 284733, 474555, 753705, 854199, 1423665, 2562597, 4270995, 12812985]

約数ペア:

[(1, 12812985), (3, 4270995), (5, 2562597), (9, 1423665), (15, 854199), (17, 753705), (27, 474555), (45, 284733), (51, 251235), (81, 158185), (85, 150741), (135, 94911), (153, 83745), (255, 50247), (405, 31637), (459, 27915), (765, 16749), (1377, 9305), (1861, 6885), (2295, 5583)]