378540819

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 613435680

約数和(自身を除く): 234894861

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 197, 323, 591, 661, 969, 1773, 1983, 2907, 3349, 3743, 5949, 10047, 11229, 11237, 12559, 30141, 33687, 33711, 37677, 63631, 101133, 113031, 130217, 190893, 213503, 390651, 572679, 640509, 1171953, 1921527, 2213689, 2474123, 6641067, 7422369, 19923201, 22267107, 42060091, 126180273, 378540819]

約数ペア:

[(1, 378540819), (3, 126180273), (9, 42060091), (17, 22267107), (19, 19923201), (51, 7422369), (57, 6641067), (153, 2474123), (171, 2213689), (197, 1921527), (323, 1171953), (591, 640509), (661, 572679), (969, 390651), (1773, 213503), (1983, 190893), (2907, 130217), (3349, 113031), (3743, 101133), (5949, 63631), (10047, 37677), (11229, 33711), (11237, 33687), (12559, 30141)]