128375505

素因数分解:

$3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{6619}}^1$

素因数の和:7061

約数の個数: 24

約数和(自身を含む): 223067520

約数和(自身を除く): 94692015

約数列:

[1, 3, 5, 9, 15, 45, 431, 1293, 2155, 3879, 6465, 6619, 19395, 19857, 33095, 59571, 99285, 297855, 2852789, 8558367, 14263945, 25675101, 42791835, 128375505]

約数ペア:

[(1, 128375505), (3, 42791835), (5, 25675101), (9, 14263945), (15, 8558367), (45, 2852789), (431, 297855), (1293, 99285), (2155, 59571), (3879, 33095), (6465, 19857), (6619, 19395)]