28651797

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 43155840

約数和(自身を除く): 14504043

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 727, 1359, 2181, 4379, 6543, 13137, 21083, 39411, 63249, 109777, 189747, 329331, 987993, 3183533, 9550599, 28651797]

約数ペア:

[(1, 28651797), (3, 9550599), (9, 3183533), (29, 987993), (87, 329331), (151, 189747), (261, 109777), (453, 63249), (727, 39411), (1359, 21083), (2181, 13137), (4379, 6543)]