31081245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8429

約数の個数: 32

約数和(自身を含む): 56380800

約数和(自身を除く): 25299555

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 8389, 25167, 41945, 109057, 125835, 159391, 327171, 478173, 545285, 796955, 1635855, 2072083, 2390865, 6216249, 10360415, 31081245]

約数ペア:

[(1, 31081245), (3, 10360415), (5, 6216249), (13, 2390865), (15, 2072083), (19, 1635855), (39, 796955), (57, 545285), (65, 478173), (95, 327171), (195, 159391), (247, 125835), (285, 109057), (741, 41945), (1235, 25167), (3705, 8389)]