1315701

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 18

約数和(自身を含む): 1994070

約数和(自身を除く): 678369

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 2059, 5041, 6177, 15123, 18531, 45369, 146189, 438567, 1315701]

約数ペア:

[(1, 1315701), (3, 438567), (9, 146189), (29, 45369), (71, 18531), (87, 15123), (213, 6177), (261, 5041), (639, 2059)]