1301979

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 2142288

約数和(自身を除く): 840309

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 521, 833, 1563, 2499, 3647, 8857, 10941, 25529, 26571, 61999, 76587, 185997, 433993, 1301979]

約数ペア:

[(1, 1301979), (3, 433993), (7, 185997), (17, 76587), (21, 61999), (49, 26571), (51, 25529), (119, 10941), (147, 8857), (357, 3647), (521, 2499), (833, 1563)]