856356669

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{256471}}^1$

素因数の和:256537

約数の個数: 24

約数和(自身を含む): 1440346752

約数和(自身を除く): 583990083

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 256471, 769413, 1795297, 2308239, 5385891, 13592963, 16157673, 40778889, 95150741, 122336667, 285452223, 856356669]

約数ペア:

[(1, 856356669), (3, 285452223), (7, 122336667), (9, 95150741), (21, 40778889), (53, 16157673), (63, 13592963), (159, 5385891), (371, 2308239), (477, 1795297), (1113, 769413), (3339, 256471)]