207848151

素因数分解:

$3^2\times 7^2\times {\mathrm{503}}^1\times {\mathrm{937}}^1$

素因数の和:1460

約数の個数: 36

約数和(自身を含む): 350309232

約数和(自身を除く): 142461081

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 503, 937, 1509, 2811, 3521, 4527, 6559, 8433, 10563, 19677, 24647, 31689, 45913, 59031, 73941, 137739, 221823, 413217, 471311, 1413933, 3299177, 4241799, 9897531, 23094239, 29692593, 69282717, 207848151]

約数ペア:

[(1, 207848151), (3, 69282717), (7, 29692593), (9, 23094239), (21, 9897531), (49, 4241799), (63, 3299177), (147, 1413933), (441, 471311), (503, 413217), (937, 221823), (1509, 137739), (2811, 73941), (3521, 59031), (4527, 45913), (6559, 31689), (8433, 24647), (10563, 19677)]