66515985

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9661}}^1$

素因数の和:9695

約数の個数: 40

約数和(自身を含む): 126263016

約数和(自身を除く): 59747031

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9661, 28983, 48305, 86949, 144915, 164237, 260847, 434745, 492711, 782541, 821185, 1304235, 1478133, 2463555, 3912705, 4434399, 7390665, 13303197, 22171995, 66515985]

約数ペア:

[(1, 66515985), (3, 22171995), (5, 13303197), (9, 7390665), (15, 4434399), (17, 3912705), (27, 2463555), (45, 1478133), (51, 1304235), (81, 821185), (85, 782541), (135, 492711), (153, 434745), (255, 260847), (405, 164237), (459, 144915), (765, 86949), (1377, 48305), (2295, 28983), (6885, 9661)]