207946515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980443}}^1$

素因数の和:1980458

約数の個数: 16

約数和(自身を含む): 380245248

約数和(自身を除く): 172298733

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980443, 5941329, 9902215, 13863101, 29706645, 41589303, 69315505, 207946515]

約数ペア:

[(1, 207946515), (3, 69315505), (5, 41589303), (7, 29706645), (15, 13863101), (21, 9902215), (35, 5941329), (105, 1980443)]