7971663

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 12697600

約数和(自身を除く): 4725937

約数列:

[1, 3, 7, 21, 49, 61, 127, 147, 183, 343, 381, 427, 889, 1029, 1281, 2667, 2989, 6223, 7747, 8967, 18669, 20923, 23241, 43561, 54229, 62769, 130683, 162687, 379603, 1138809, 2657221, 7971663]

約数ペア:

[(1, 7971663), (3, 2657221), (7, 1138809), (21, 379603), (49, 162687), (61, 130683), (127, 62769), (147, 54229), (183, 43561), (343, 23241), (381, 20923), (427, 18669), (889, 8967), (1029, 7747), (1281, 6223), (2667, 2989)]