1972005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2683}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 3671712

約数和(自身を除く): 1699707

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2683, 8049, 13415, 18781, 40245, 56343, 93905, 131467, 281715, 394401, 657335, 1972005]

約数ペア:

[(1, 1972005), (3, 657335), (5, 394401), (7, 281715), (15, 131467), (21, 93905), (35, 56343), (49, 40245), (105, 18781), (147, 13415), (245, 8049), (735, 2683)]