4040505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 8146944

約数和(自身を除く): 4106439

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 127, 303, 315, 381, 505, 635, 707, 889, 909, 1143, 1515, 1905, 2121, 2667, 3535, 4445, 4545, 5715, 6363, 8001, 10605, 12827, 13335, 31815, 38481, 40005, 64135, 89789, 115443, 192405, 269367, 448945, 577215, 808101, 1346835, 4040505]

約数ペア:

[(1, 4040505), (3, 1346835), (5, 808101), (7, 577215), (9, 448945), (15, 269367), (21, 192405), (35, 115443), (45, 89789), (63, 64135), (101, 40005), (105, 38481), (127, 31815), (303, 13335), (315, 12827), (381, 10605), (505, 8001), (635, 6363), (707, 5715), (889, 4545), (909, 4445), (1143, 3535), (1515, 2667), (1905, 2121)]