4120515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 8306688

約数和(自身を除く): 4186173

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 103, 105, 127, 309, 315, 381, 515, 635, 721, 889, 927, 1143, 1545, 1905, 2163, 2667, 3605, 4445, 4635, 5715, 6489, 8001, 10815, 13081, 13335, 32445, 39243, 40005, 65405, 91567, 117729, 196215, 274701, 457835, 588645, 824103, 1373505, 4120515]

約数ペア:

[(1, 4120515), (3, 1373505), (5, 824103), (7, 588645), (9, 457835), (15, 274701), (21, 196215), (35, 117729), (45, 91567), (63, 65405), (103, 40005), (105, 39243), (127, 32445), (309, 13335), (315, 13081), (381, 10815), (515, 8001), (635, 6489), (721, 5715), (889, 4635), (927, 4445), (1143, 3605), (1545, 2667), (1905, 2163)]