1620996885

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{283639}}^1$

素因数の和:283777

約数の個数: 24

約数和(自身を含む): 2831861760

約数和(自身を除く): 1210864875

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 283639, 850917, 1418195, 2552751, 4254585, 12763755, 36022153, 108066459, 180110765, 324199377, 540332295, 1620996885]

約数ペア:

[(1, 1620996885), (3, 540332295), (5, 324199377), (9, 180110765), (15, 108066459), (45, 36022153), (127, 12763755), (381, 4254585), (635, 2552751), (1143, 1418195), (1905, 850917), (5715, 283639)]