214980465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2963}}^1$

素因数の和:3669

約数の個数: 32

約数和(自身を含む): 393808896

約数和(自身を除く): 178828431

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 691, 2073, 2963, 3455, 4837, 8889, 10365, 14511, 14815, 20741, 24185, 44445, 62223, 72555, 103705, 311115, 2047433, 6142299, 10237165, 14332031, 30711495, 42996093, 71660155, 214980465]

約数ペア:

[(1, 214980465), (3, 71660155), (5, 42996093), (7, 30711495), (15, 14332031), (21, 10237165), (35, 6142299), (105, 2047433), (691, 311115), (2073, 103705), (2963, 72555), (3455, 62223), (4837, 44445), (8889, 24185), (10365, 20741), (14511, 14815)]