81508425

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{12211}}^1$

素因数の和:12313

約数の個数: 24

約数和(自身を含む): 136285920

約数和(自身を除く): 54777495

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 6675, 12211, 36633, 61055, 183165, 305275, 915825, 1086779, 3260337, 5433895, 16301685, 27169475, 81508425]

約数ペア:

[(1, 81508425), (3, 27169475), (5, 16301685), (15, 5433895), (25, 3260337), (75, 1086779), (89, 915825), (267, 305275), (445, 183165), (1335, 61055), (2225, 36633), (6675, 12211)]