38997861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 64035840

約数和(自身を除く): 25037979

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2273, 2451, 5719, 6819, 15911, 17157, 43187, 47733, 97739, 129561, 293217, 302309, 684173, 906927, 1857041, 2052519, 5571123, 12999287, 38997861]

約数ペア:

[(1, 38997861), (3, 12999287), (7, 5571123), (19, 2052519), (21, 1857041), (43, 906927), (57, 684173), (129, 302309), (133, 293217), (301, 129561), (399, 97739), (817, 47733), (903, 43187), (2273, 17157), (2451, 15911), (5719, 6819)]