212910047

素因数分解:

$7^3\times {\mathrm{47}}^2\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 24

約数和(自身を含む): 254589600

約数和(自身を除く): 41679553

約数列:

[1, 7, 47, 49, 281, 329, 343, 1967, 2209, 2303, 13207, 13769, 15463, 16121, 92449, 96383, 108241, 620729, 647143, 757687, 4345103, 4530001, 30415721, 212910047]

約数ペア:

[(1, 212910047), (7, 30415721), (47, 4530001), (49, 4345103), (281, 757687), (329, 647143), (343, 620729), (1967, 108241), (2209, 96383), (2303, 92449), (13207, 16121), (13769, 15463)]