81291225

素因数分解:

$3^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{2341}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 134749312

約数和(自身を除く): 53458087

約数列:

[1, 3, 5, 15, 25, 75, 463, 1389, 2315, 2341, 6945, 7023, 11575, 11705, 34725, 35115, 58525, 175575, 1083883, 3251649, 5419415, 16258245, 27097075, 81291225]

約数ペア:

[(1, 81291225), (3, 27097075), (5, 16258245), (15, 5419415), (25, 3251649), (75, 1083883), (463, 175575), (1389, 58525), (2315, 35115), (2341, 34725), (6945, 11705), (7023, 11575)]