28854873

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2438

約数の個数: 20

約数和(自身を含む): 43397860

約数和(自身を除く): 14542987

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 2269, 4239, 6807, 12717, 20421, 61263, 183789, 356233, 1068699, 3206097, 9618291, 28854873]

約数ペア:

[(1, 28854873), (3, 9618291), (9, 3206097), (27, 1068699), (81, 356233), (157, 183789), (471, 61263), (1413, 20421), (2269, 12717), (4239, 6807)]