680505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{6481}}^1$

素因数の和:6496

約数の個数: 16

約数和(自身を含む): 1244544

約数和(自身を除く): 564039

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 6481, 19443, 32405, 45367, 97215, 136101, 226835, 680505]

約数ペア:

[(1, 680505), (3, 226835), (5, 136101), (7, 97215), (15, 45367), (21, 32405), (35, 19443), (105, 6481)]