81383025

素因数分解:

$3^1\times 5^2\times {\mathrm{619}}^1\times {\mathrm{1753}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 134847520

約数和(自身を除く): 53464495

約数列:

[1, 3, 5, 15, 25, 75, 619, 1753, 1857, 3095, 5259, 8765, 9285, 15475, 26295, 43825, 46425, 131475, 1085107, 3255321, 5425535, 16276605, 27127675, 81383025]

約数ペア:

[(1, 81383025), (3, 27127675), (5, 16276605), (15, 5425535), (25, 3255321), (75, 1085107), (619, 131475), (1753, 46425), (1857, 43825), (3095, 26295), (5259, 15475), (8765, 9285)]