201489267

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 313058304

約数和(自身を除く): 111569037

約数列:

[1, 3, 7, 21, 71, 213, 337, 401, 497, 1011, 1203, 1491, 2359, 2807, 7077, 8421, 23927, 28471, 71781, 85413, 135137, 167489, 199297, 405411, 502467, 597891, 945959, 2837877, 9594727, 28784181, 67163089, 201489267]

約数ペア:

[(1, 201489267), (3, 67163089), (7, 28784181), (21, 9594727), (71, 2837877), (213, 945959), (337, 597891), (401, 502467), (497, 405411), (1011, 199297), (1203, 167489), (1491, 135137), (2359, 85413), (2807, 71781), (7077, 28471), (8421, 23927)]