207987003

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{54121}}^1$

素因数の和:54195

約数の個数: 24

約数和(自身を含む): 348978656

約数和(自身を除く): 140991653

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 54121, 162363, 378847, 487089, 1136541, 3301381, 3409623, 9904143, 23109667, 29712429, 69329001, 207987003]

約数ペア:

[(1, 207987003), (3, 69329001), (7, 29712429), (9, 23109667), (21, 9904143), (61, 3409623), (63, 3301381), (183, 1136541), (427, 487089), (549, 378847), (1281, 162363), (3843, 54121)]