128870505

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{14537}}^1$

素因数の和:14745

約数の個数: 24

約数和(自身を含む): 224524872

約数和(自身を除く): 95654367

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 14537, 43611, 72685, 130833, 218055, 654165, 2863789, 8591367, 14318945, 25774101, 42956835, 128870505]

約数ペア:

[(1, 128870505), (3, 42956835), (5, 25774101), (9, 14318945), (15, 8591367), (45, 2863789), (197, 654165), (591, 218055), (985, 130833), (1773, 72685), (2955, 43611), (8865, 14537)]