201391515

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 402494400

約数和(自身を除く): 201102885

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 81, 87, 117, 135, 145, 195, 261, 351, 377, 405, 435, 585, 783, 1053, 1131, 1305, 1319, 1755, 1885, 2349, 3393, 3915, 3957, 5265, 5655, 6595, 10179, 11745, 11871, 16965, 17147, 19785, 30537, 35613, 38251, 50895, 51441, 59355, 85735, 106839, 114753, 152685, 154323, 178065, 191255, 257205, 344259, 462969, 497263, 534195, 573765, 771615, 1032777, 1388907, 1491789, 1721295, 2314845, 2486315, 3098331, 4475367, 5163885, 6944535, 7458945, 13426101, 15491655, 22376835, 40278303, 67130505, 201391515]

約数ペア:

[(1, 201391515), (3, 67130505), (5, 40278303), (9, 22376835), (13, 15491655), (15, 13426101), (27, 7458945), (29, 6944535), (39, 5163885), (45, 4475367), (65, 3098331), (81, 2486315), (87, 2314845), (117, 1721295), (135, 1491789), (145, 1388907), (195, 1032777), (261, 771615), (351, 573765), (377, 534195), (405, 497263), (435, 462969), (585, 344259), (783, 257205), (1053, 191255), (1131, 178065), (1305, 154323), (1319, 152685), (1755, 114753), (1885, 106839), (2349, 85735), (3393, 59355), (3915, 51441), (3957, 50895), (5265, 38251), (5655, 35613), (6595, 30537), (10179, 19785), (11745, 17147), (11871, 16965)]