72804285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31723}}^1$

素因数の和:31754

約数の個数: 32

約数和(自身を含む): 137047680

約数和(自身を除く): 64243395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31723, 95169, 158615, 285507, 475845, 539291, 856521, 1427535, 1617873, 2696455, 4282605, 4853619, 8089365, 14560857, 24268095, 72804285]

約数ペア:

[(1, 72804285), (3, 24268095), (5, 14560857), (9, 8089365), (15, 4853619), (17, 4282605), (27, 2696455), (45, 1617873), (51, 1427535), (85, 856521), (135, 539291), (153, 475845), (255, 285507), (459, 158615), (765, 95169), (2295, 31723)]