25777725

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 18844419

約数列:

[1, 3, 5, 15, 25, 41, 75, 83, 101, 123, 205, 249, 303, 415, 505, 615, 1025, 1245, 1515, 2075, 2525, 3075, 3403, 4141, 6225, 7575, 8383, 10209, 12423, 17015, 20705, 25149, 41915, 51045, 62115, 85075, 103525, 125745, 209575, 255225, 310575, 343703, 628725, 1031109, 1718515, 5155545, 8592575, 25777725]

約数ペア:

[(1, 25777725), (3, 8592575), (5, 5155545), (15, 1718515), (25, 1031109), (41, 628725), (75, 343703), (83, 310575), (101, 255225), (123, 209575), (205, 125745), (249, 103525), (303, 85075), (415, 62115), (505, 51045), (615, 41915), (1025, 25149), (1245, 20705), (1515, 17015), (2075, 12423), (2525, 10209), (3075, 8383), (3403, 7575), (4141, 6225)]