388807545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{194891}}^1$

素因数の和:194925

約数の個数: 32

約数和(自身を含む): 748385280

約数和(自身を除く): 359577735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 194891, 584673, 974455, 1364237, 2923365, 3702929, 4092711, 6821185, 11108787, 18514645, 20463555, 25920503, 55543935, 77761509, 129602515, 388807545]

約数ペア:

[(1, 388807545), (3, 129602515), (5, 77761509), (7, 55543935), (15, 25920503), (19, 20463555), (21, 18514645), (35, 11108787), (57, 6821185), (95, 4092711), (105, 3702929), (133, 2923365), (285, 1364237), (399, 974455), (665, 584673), (1995, 194891)]