64941615

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28297}}^1$

素因数の和:28328

約数の個数: 32

約数和(自身を含む): 122247360

約数和(自身を除く): 57305745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 28297, 84891, 141485, 254673, 424455, 481049, 764019, 1273365, 1443147, 2405245, 3820095, 4329441, 7215735, 12988323, 21647205, 64941615]

約数ペア:

[(1, 64941615), (3, 21647205), (5, 12988323), (9, 7215735), (15, 4329441), (17, 3820095), (27, 2405245), (45, 1443147), (51, 1273365), (85, 764019), (135, 481049), (153, 424455), (255, 254673), (459, 141485), (765, 84891), (2295, 28297)]