380053215

素因数分解:

$3^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 690006528

約数和(自身を除く): 309953313

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 381, 405, 635, 729, 821, 1143, 1215, 1905, 2463, 3429, 3645, 4105, 5715, 7389, 10287, 12315, 17145, 22167, 30861, 36945, 51435, 66501, 92583, 104267, 110835, 154305, 199503, 312801, 332505, 462915, 521335, 598509, 938403, 997515, 1564005, 2815209, 2992545, 4692015, 8445627, 14076045, 25336881, 42228135, 76010643, 126684405, 380053215]

約数ペア:

[(1, 380053215), (3, 126684405), (5, 76010643), (9, 42228135), (15, 25336881), (27, 14076045), (45, 8445627), (81, 4692015), (127, 2992545), (135, 2815209), (243, 1564005), (381, 997515), (405, 938403), (635, 598509), (729, 521335), (821, 462915), (1143, 332505), (1215, 312801), (1905, 199503), (2463, 154305), (3429, 110835), (3645, 104267), (4105, 92583), (5715, 66501), (7389, 51435), (10287, 36945), (12315, 30861), (17145, 22167)]