66540465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{86981}}^1$

素因数の和:87009

約数の個数: 24

約数和(自身を含む): 122122728

約数和(自身を除く): 55582263

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 86981, 260943, 434905, 782829, 1304715, 1478677, 3914145, 4436031, 7393385, 13308093, 22180155, 66540465]

約数ペア:

[(1, 66540465), (3, 22180155), (5, 13308093), (9, 7393385), (15, 4436031), (17, 3914145), (45, 1478677), (51, 1304715), (85, 782829), (153, 434905), (255, 260943), (765, 86981)]