309328515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2909}}^1$

素因数の和:3076

約数の個数: 48

約数和(自身を含む): 571989600

約数和(自身を除く): 262661085

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 139, 153, 255, 417, 695, 765, 1251, 2085, 2363, 2909, 6255, 7089, 8727, 11815, 14545, 21267, 26181, 35445, 43635, 49453, 106335, 130905, 148359, 247265, 404351, 445077, 741795, 1213053, 2021755, 2225385, 3639159, 6065265, 6873967, 18195795, 20621901, 34369835, 61865703, 103109505, 309328515]

約数ペア:

[(1, 309328515), (3, 103109505), (5, 61865703), (9, 34369835), (15, 20621901), (17, 18195795), (45, 6873967), (51, 6065265), (85, 3639159), (139, 2225385), (153, 2021755), (255, 1213053), (417, 741795), (695, 445077), (765, 404351), (1251, 247265), (2085, 148359), (2363, 130905), (2909, 106335), (6255, 49453), (7089, 43635), (8727, 35445), (11815, 26181), (14545, 21267)]