28166697

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1211

約数の個数: 40

約数和(自身を含む): 47323584

約数和(自身を除く): 19156887

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1163, 1863, 2691, 3489, 8073, 10467, 15119, 24219, 26749, 31401, 45357, 80247, 94203, 136071, 240741, 347737, 408213, 722223, 1043211, 1224639, 2166669, 3129633, 9388899, 28166697]

約数ペア:

[(1, 28166697), (3, 9388899), (9, 3129633), (13, 2166669), (23, 1224639), (27, 1043211), (39, 722223), (69, 408213), (81, 347737), (117, 240741), (207, 136071), (299, 94203), (351, 80247), (621, 45357), (897, 31401), (1053, 26749), (1163, 24219), (1863, 15119), (2691, 10467), (3489, 8073)]