197663361

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3701

約数の個数: 32

約数和(自身を含む): 313786368

約数和(自身を除く): 116123007

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 2627, 3583, 7881, 10749, 18389, 25081, 55167, 75243, 132571, 254393, 397713, 763179, 927997, 1780751, 2783991, 5342253, 9412541, 28237623, 65887787, 197663361]

約数ペア:

[(1, 197663361), (3, 65887787), (7, 28237623), (21, 9412541), (37, 5342253), (71, 2783991), (111, 1780751), (213, 927997), (259, 763179), (497, 397713), (777, 254393), (1491, 132571), (2627, 75243), (3583, 55167), (7881, 25081), (10749, 18389)]