205749525

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{21601}}^1$

素因数の和:21741

約数の個数: 24

約数和(自身を含む): 342866944

約数和(自身を除く): 137117419

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3175, 9525, 21601, 64803, 108005, 324015, 540025, 1620075, 2743327, 8229981, 13716635, 41149905, 68583175, 205749525]

約数ペア:

[(1, 205749525), (3, 68583175), (5, 41149905), (15, 13716635), (25, 8229981), (75, 2743327), (127, 1620075), (381, 540025), (635, 324015), (1905, 108005), (3175, 64803), (9525, 21601)]