61509225

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 105868224

約数和(自身を除く): 44358999

約数列:

[1, 3, 5, 15, 25, 41, 75, 83, 123, 205, 241, 249, 415, 615, 723, 1025, 1205, 1245, 2075, 3075, 3403, 3615, 6025, 6225, 9881, 10209, 17015, 18075, 20003, 29643, 49405, 51045, 60009, 85075, 100015, 148215, 247025, 255225, 300045, 500075, 741075, 820123, 1500225, 2460369, 4100615, 12301845, 20503075, 61509225]

約数ペア:

[(1, 61509225), (3, 20503075), (5, 12301845), (15, 4100615), (25, 2460369), (41, 1500225), (75, 820123), (83, 741075), (123, 500075), (205, 300045), (241, 255225), (249, 247025), (415, 148215), (615, 100015), (723, 85075), (1025, 60009), (1205, 51045), (1245, 49405), (2075, 29643), (3075, 20003), (3403, 18075), (3615, 17015), (6025, 10209), (6225, 9881)]