207966255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980631}}^1$

素因数の和:1980646

約数の個数: 16

約数和(自身を含む): 380281344

約数和(自身を除く): 172315089

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980631, 5941893, 9903155, 13864417, 29709465, 41593251, 69322085, 207966255]

約数ペア:

[(1, 207966255), (3, 69322085), (5, 41593251), (7, 29709465), (15, 13864417), (21, 9903155), (35, 5941893), (105, 1980631)]