289911285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126323}}^1$

素因数の和:126354

約数の個数: 32

約数和(自身を含む): 545719680

約数和(自身を除く): 255808395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 126323, 378969, 631615, 1136907, 1894845, 2147491, 3410721, 5684535, 6442473, 10737455, 17053605, 19327419, 32212365, 57982257, 96637095, 289911285]

約数ペア:

[(1, 289911285), (3, 96637095), (5, 57982257), (9, 32212365), (15, 19327419), (17, 17053605), (27, 10737455), (45, 6442473), (51, 5684535), (85, 3410721), (135, 2147491), (153, 1894845), (255, 1136907), (459, 631615), (765, 378969), (2295, 126323)]