254361885

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 417111552

約数和(自身を除く): 162749667

約数列:

[1, 3, 5, 15, 47, 141, 235, 421, 705, 857, 1263, 2105, 2571, 4285, 6315, 12855, 19787, 40279, 59361, 98935, 120837, 201395, 296805, 360797, 604185, 1082391, 1803985, 5411955, 16957459, 50872377, 84787295, 254361885]

約数ペア:

[(1, 254361885), (3, 84787295), (5, 50872377), (15, 16957459), (47, 5411955), (141, 1803985), (235, 1082391), (421, 604185), (705, 360797), (857, 296805), (1263, 201395), (2105, 120837), (2571, 98935), (4285, 59361), (6315, 40279), (12855, 19787)]