31411185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12391}}^1$

素因数の和:12425

約数の個数: 24

約数和(自身を含む): 54425664

約数和(自身を除く): 23014479

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 12391, 37173, 61955, 161083, 185865, 483249, 805415, 2094079, 2416245, 6282237, 10470395, 31411185]

約数ペア:

[(1, 31411185), (3, 10470395), (5, 6282237), (13, 2416245), (15, 2094079), (39, 805415), (65, 483249), (169, 185865), (195, 161083), (507, 61955), (845, 37173), (2535, 12391)]