401319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 638352

約数和(自身を除く): 237033

約数列:

[1, 3, 9, 17, 43, 51, 61, 129, 153, 183, 387, 549, 731, 1037, 2193, 2623, 3111, 6579, 7869, 9333, 23607, 44591, 133773, 401319]

約数ペア:

[(1, 401319), (3, 133773), (9, 44591), (17, 23607), (43, 9333), (51, 7869), (61, 6579), (129, 3111), (153, 2623), (183, 2193), (387, 1037), (549, 731)]