28447965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6978

約数の個数: 48

約数和(自身を含む): 60697728

約数和(自身を除く): 32249763

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6947, 20841, 34735, 48629, 62523, 90311, 104205, 145887, 243145, 270933, 312615, 437661, 451555, 632177, 729435, 812799, 1354665, 1896531, 2188305, 3160885, 4063995, 5689593, 9482655, 28447965]

約数ペア:

[(1, 28447965), (3, 9482655), (5, 5689593), (7, 4063995), (9, 3160885), (13, 2188305), (15, 1896531), (21, 1354665), (35, 812799), (39, 729435), (45, 632177), (63, 451555), (65, 437661), (91, 312615), (105, 270933), (117, 243145), (195, 145887), (273, 104205), (315, 90311), (455, 62523), (585, 48629), (819, 34735), (1365, 20841), (4095, 6947)]