207929589

素因数分解:

$3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{2953}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 323285760

約数和(自身を除く): 115356171

約数列:

[1, 3, 7, 21, 49, 147, 479, 1437, 2953, 3353, 8859, 10059, 20671, 23471, 62013, 70413, 144697, 434091, 1414487, 4243461, 9901409, 29704227, 69309863, 207929589]

約数ペア:

[(1, 207929589), (3, 69309863), (7, 29704227), (21, 9901409), (49, 4243461), (147, 1414487), (479, 434091), (1437, 144697), (2953, 70413), (3353, 62013), (8859, 23471), (10059, 20671)]