9988965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 20841600

約数和(自身を除く): 10852635

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1669, 1995, 5007, 5985, 8345, 11683, 15021, 25035, 31711, 35049, 58415, 75105, 95133, 105147, 158555, 175245, 221977, 285399, 475665, 525735, 665931, 1109885, 1426995, 1997793, 3329655, 9988965]

約数ペア:

[(1, 9988965), (3, 3329655), (5, 1997793), (7, 1426995), (9, 1109885), (15, 665931), (19, 525735), (21, 475665), (35, 285399), (45, 221977), (57, 175245), (63, 158555), (95, 105147), (105, 95133), (133, 75105), (171, 58415), (285, 35049), (315, 31711), (399, 25035), (665, 15021), (855, 11683), (1197, 8345), (1669, 5985), (1995, 5007)]