2017229991

素因数分解:

$3^1\times 7^3\times {\mathrm{1960379}}^1$

素因数の和:1960403

約数の個数: 16

約数和(自身を含む): 3136608000

約数和(自身を除く): 1119378009

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1960379, 5881137, 13722653, 41167959, 96058571, 288175713, 672409997, 2017229991]

約数ペア:

[(1, 2017229991), (3, 672409997), (7, 288175713), (21, 96058571), (49, 41167959), (147, 13722653), (343, 5881137), (1029, 1960379)]