2017654779

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{79999}}^1$

素因数の和:81210

約数の個数: 16

約数和(自身を含む): 3077120000

約数和(自身を除く): 1059465221

約数列:

[1, 3, 7, 21, 1201, 3603, 8407, 25221, 79999, 239997, 559993, 1679979, 96078799, 288236397, 672551593, 2017654779]

約数ペア:

[(1, 2017654779), (3, 672551593), (7, 288236397), (21, 96078799), (1201, 1679979), (3603, 559993), (8407, 239997), (25221, 79999)]