287130255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{6221}}^1$

素因数の和:6427

約数の個数: 32

約数和(自身を含む): 489198528

約数和(自身を除く): 202068273

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 2715, 3077, 6221, 9231, 15385, 18663, 31105, 46155, 93315, 105757, 317271, 528785, 1126001, 1586355, 3378003, 5630005, 16890015, 19142017, 57426051, 95710085, 287130255]

約数ペア:

[(1, 287130255), (3, 95710085), (5, 57426051), (15, 19142017), (17, 16890015), (51, 5630005), (85, 3378003), (181, 1586355), (255, 1126001), (543, 528785), (905, 317271), (2715, 105757), (3077, 93315), (6221, 46155), (9231, 31105), (15385, 18663)]