289399245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{26393}}^1$

素因数の和:26461

約数の個数: 32

約数和(自身を含む): 501697152

約数和(自身を除く): 212297907

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 26393, 79179, 131965, 395895, 448681, 1134899, 1346043, 2243405, 3404697, 5674495, 6730215, 17023485, 19293283, 57879849, 96466415, 289399245]

約数ペア:

[(1, 289399245), (3, 96466415), (5, 57879849), (15, 19293283), (17, 17023485), (43, 6730215), (51, 5674495), (85, 3404697), (129, 2243405), (215, 1346043), (255, 1134899), (645, 448681), (731, 395895), (2193, 131965), (3655, 79179), (10965, 26393)]