242505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 446472

約数和(自身を除く): 203967

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 317, 765, 951, 1585, 2853, 4755, 5389, 14265, 16167, 26945, 48501, 80835, 242505]

約数ペア:

[(1, 242505), (3, 80835), (5, 48501), (9, 26945), (15, 16167), (17, 14265), (45, 5389), (51, 4755), (85, 2853), (153, 1585), (255, 951), (317, 765)]