142721085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17021}}^1$

素因数の和:17085

約数の個数: 32

約数和(自身を含む): 251653248

約数和(自身を除く): 108932163

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 17021, 51063, 85105, 221273, 255315, 663819, 731903, 1106365, 2195709, 3319095, 3659515, 9514739, 10978545, 28544217, 47573695, 142721085]

約数ペア:

[(1, 142721085), (3, 47573695), (5, 28544217), (13, 10978545), (15, 9514739), (39, 3659515), (43, 3319095), (65, 2195709), (129, 1106365), (195, 731903), (215, 663819), (559, 255315), (645, 221273), (1677, 85105), (2795, 51063), (8385, 17021)]