207979653

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{210719}}^1$

素因数の和:210776

約数の個数: 16

約数和(自身を含む): 323665920

約数和(自身を除く): 115686267

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 210719, 632157, 1475033, 4425099, 9903793, 29711379, 69326551, 207979653]

約数ペア:

[(1, 207979653), (3, 69326551), (7, 29711379), (21, 9903793), (47, 4425099), (141, 1475033), (329, 632157), (987, 210719)]