25063983

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20971

約数の個数: 24

約数和(自身を含む): 43555200

約数和(自身を除く): 18491217

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 20939, 62817, 146573, 188451, 397841, 439719, 1193523, 1319157, 2784887, 3580569, 8354661, 25063983]

約数ペア:

[(1, 25063983), (3, 8354661), (7, 3580569), (9, 2784887), (19, 1319157), (21, 1193523), (57, 439719), (63, 397841), (133, 188451), (171, 146573), (399, 62817), (1197, 20939)]