2830779

素因数分解:

$3^2\times 7^4\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 30

約数和(自身を含む): 4806516

約数和(自身を除く): 1975737

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 343, 393, 441, 917, 1029, 1179, 2401, 2751, 3087, 6419, 7203, 8253, 19257, 21609, 44933, 57771, 134799, 314531, 404397, 943593, 2830779]

約数ペア:

[(1, 2830779), (3, 943593), (7, 404397), (9, 314531), (21, 134799), (49, 57771), (63, 44933), (131, 21609), (147, 19257), (343, 8253), (393, 7203), (441, 6419), (917, 3087), (1029, 2751), (1179, 2401)]