61680225

素因数分解:

$3^1\times 5^2\times {\mathrm{641}}^1\times {\mathrm{1283}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 102216672

約数和(自身を除く): 40536447

約数列:

[1, 3, 5, 15, 25, 75, 641, 1283, 1923, 3205, 3849, 6415, 9615, 16025, 19245, 32075, 48075, 96225, 822403, 2467209, 4112015, 12336045, 20560075, 61680225]

約数ペア:

[(1, 61680225), (3, 20560075), (5, 12336045), (15, 4112015), (25, 2467209), (75, 822403), (641, 96225), (1283, 48075), (1923, 32075), (3205, 19245), (3849, 16025), (6415, 9615)]