218370201

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 338549760

約数和(自身を除く): 120179559

約数列:

[1, 3, 7, 21, 107, 157, 321, 471, 619, 749, 1099, 1857, 2247, 3297, 4333, 12999, 16799, 50397, 66233, 97183, 117593, 198699, 291549, 352779, 463631, 680281, 1390893, 2040843, 10398581, 31195743, 72790067, 218370201]

約数ペア:

[(1, 218370201), (3, 72790067), (7, 31195743), (21, 10398581), (107, 2040843), (157, 1390893), (321, 680281), (471, 463631), (619, 352779), (749, 291549), (1099, 198699), (1857, 117593), (2247, 97183), (3297, 66233), (4333, 50397), (12999, 16799)]