2645769

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 4267200

約数和(自身を除く): 1621431

約数列:

[1, 3, 7, 19, 21, 57, 133, 349, 361, 399, 1047, 1083, 2443, 2527, 6631, 7329, 7581, 19893, 46417, 125989, 139251, 377967, 881923, 2645769]

約数ペア:

[(1, 2645769), (3, 881923), (7, 377967), (19, 139251), (21, 125989), (57, 46417), (133, 19893), (349, 7581), (361, 7329), (399, 6631), (1047, 2527), (1083, 2443)]