2129647545

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309317}}^1$

素因数の和:309351

約数の個数: 40

約数和(自身を含む): 4042167624

約数和(自身を除く): 1912520079

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 309317, 927951, 1546585, 2783853, 4639755, 5258389, 8351559, 13919265, 15775167, 25054677, 26291945, 41757795, 47325501, 78875835, 125273385, 141976503, 236627505, 425929509, 709882515, 2129647545]

約数ペア:

[(1, 2129647545), (3, 709882515), (5, 425929509), (9, 236627505), (15, 141976503), (17, 125273385), (27, 78875835), (45, 47325501), (51, 41757795), (81, 26291945), (85, 25054677), (135, 15775167), (153, 13919265), (255, 8351559), (405, 5258389), (459, 4639755), (765, 2783853), (1377, 1546585), (2295, 927951), (6885, 309317)]