212445561

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 300395520

約数和(自身を除く): 87949959

約数列:

[1, 3, 29, 71, 87, 163, 211, 213, 489, 633, 2059, 4727, 6119, 6177, 11573, 14181, 14981, 18357, 34393, 34719, 44943, 103179, 335617, 434449, 997397, 1006851, 1303347, 2441903, 2992191, 7325709, 70815187, 212445561]

約数ペア:

[(1, 212445561), (3, 70815187), (29, 7325709), (71, 2992191), (87, 2441903), (163, 1303347), (211, 1006851), (213, 997397), (489, 434449), (633, 335617), (2059, 103179), (4727, 44943), (6119, 34719), (6177, 34393), (11573, 18357), (14181, 14981)]