218218143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1877}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 343268352

約数和(自身を除く): 125050209

約数列:

[1, 3, 11, 13, 33, 39, 143, 271, 429, 813, 1877, 2981, 3523, 5631, 8943, 10569, 20647, 24401, 38753, 61941, 73203, 116259, 268411, 508667, 805233, 1526001, 5595337, 6612671, 16786011, 19838013, 72739381, 218218143]

約数ペア:

[(1, 218218143), (3, 72739381), (11, 19838013), (13, 16786011), (33, 6612671), (39, 5595337), (143, 1526001), (271, 805233), (429, 508667), (813, 268411), (1877, 116259), (2981, 73203), (3523, 61941), (5631, 38753), (8943, 24401), (10569, 20647)]