16990995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23117}}^1$

素因数の和:23139

約数の個数: 24

約数和(自身を含む): 31625424

約数和(自身を除く): 14634429

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 23117, 69351, 115585, 161819, 346755, 485457, 809095, 1132733, 2427285, 3398199, 5663665, 16990995]

約数ペア:

[(1, 16990995), (3, 5663665), (5, 3398199), (7, 2427285), (15, 1132733), (21, 809095), (35, 485457), (49, 346755), (105, 161819), (147, 115585), (245, 69351), (735, 23117)]