28820673

素因数分解:

$3^2\times 7^2\times {\mathrm{65353}}^1$

素因数の和:65373

約数の個数: 18

約数和(自身を含む): 48427314

約数和(自身を除く): 19606641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65353, 196059, 457471, 588177, 1372413, 3202297, 4117239, 9606891, 28820673]

約数ペア:

[(1, 28820673), (3, 9606891), (7, 4117239), (9, 3202297), (21, 1372413), (49, 588177), (63, 457471), (147, 196059), (441, 65353)]