1728135

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 3293136

約数和(自身を除く): 1565001

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 251, 255, 405, 459, 753, 765, 1255, 1377, 2259, 2295, 3765, 4267, 6777, 6885, 11295, 12801, 20331, 21335, 33885, 38403, 64005, 101655, 115209, 192015, 345627, 576045, 1728135]

約数ペア:

[(1, 1728135), (3, 576045), (5, 345627), (9, 192015), (15, 115209), (17, 101655), (27, 64005), (45, 38403), (51, 33885), (81, 21335), (85, 20331), (135, 12801), (153, 11295), (251, 6885), (255, 6777), (405, 4267), (459, 3765), (753, 2295), (765, 2259), (1255, 1377)]