71427285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31123}}^1$

素因数の和:31154

約数の個数: 32

約数和(自身を含む): 134455680

約数和(自身を除く): 63028395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31123, 93369, 155615, 280107, 466845, 529091, 840321, 1400535, 1587273, 2645455, 4201605, 4761819, 7936365, 14285457, 23809095, 71427285]

約数ペア:

[(1, 71427285), (3, 23809095), (5, 14285457), (9, 7936365), (15, 4761819), (17, 4201605), (27, 2645455), (45, 1587273), (51, 1400535), (85, 840321), (135, 529091), (153, 466845), (255, 280107), (459, 155615), (765, 93369), (2295, 31123)]