405927

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 640224

約数和(自身を除く): 234297

約数列:

[1, 3, 9, 23, 37, 53, 69, 111, 159, 207, 333, 477, 851, 1219, 1961, 2553, 3657, 5883, 7659, 10971, 17649, 45103, 135309, 405927]

約数ペア:

[(1, 405927), (3, 135309), (9, 45103), (23, 17649), (37, 10971), (53, 7659), (69, 5883), (111, 3657), (159, 2553), (207, 1961), (333, 1219), (477, 851)]