2499975

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 4603872

約数和(自身を除く): 2103897

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 271, 369, 615, 813, 1025, 1355, 1845, 2439, 3075, 4065, 6775, 9225, 11111, 12195, 20325, 33333, 55555, 60975, 99999, 166665, 277775, 499995, 833325, 2499975]

約数ペア:

[(1, 2499975), (3, 833325), (5, 499995), (9, 277775), (15, 166665), (25, 99999), (41, 60975), (45, 55555), (75, 33333), (123, 20325), (205, 12195), (225, 11111), (271, 9225), (369, 6775), (615, 4065), (813, 3075), (1025, 2439), (1355, 1845)]