25195455

素因数分解:

$3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 20799585

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 233, 243, 267, 405, 445, 699, 801, 1165, 1215, 1335, 2097, 2403, 3495, 4005, 6291, 7209, 10485, 12015, 18873, 20737, 21627, 31455, 36045, 56619, 62211, 94365, 103685, 108135, 186633, 283095, 311055, 559899, 933165, 1679697, 2799495, 5039091, 8398485, 25195455]

約数ペア:

[(1, 25195455), (3, 8398485), (5, 5039091), (9, 2799495), (15, 1679697), (27, 933165), (45, 559899), (81, 311055), (89, 283095), (135, 186633), (233, 108135), (243, 103685), (267, 94365), (405, 62211), (445, 56619), (699, 36045), (801, 31455), (1165, 21627), (1215, 20737), (1335, 18873), (2097, 12015), (2403, 10485), (3495, 7209), (4005, 6291)]