31361535

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 57380544

約数和(自身を除く): 26019009

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 157, 193, 207, 345, 471, 579, 785, 965, 1035, 1413, 1737, 2355, 2895, 3611, 4439, 7065, 8685, 10833, 13317, 18055, 22195, 30301, 32499, 39951, 54165, 66585, 90903, 151505, 162495, 199755, 272709, 454515, 696923, 1363545, 2090769, 3484615, 6272307, 10453845, 31361535]

約数ペア:

[(1, 31361535), (3, 10453845), (5, 6272307), (9, 3484615), (15, 2090769), (23, 1363545), (45, 696923), (69, 454515), (115, 272709), (157, 199755), (193, 162495), (207, 151505), (345, 90903), (471, 66585), (579, 54165), (785, 39951), (965, 32499), (1035, 30301), (1413, 22195), (1737, 18055), (2355, 13317), (2895, 10833), (3611, 8685), (4439, 7065)]