51140403

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37139}}^1$

素因数の和:37168

約数の個数: 20

約数和(自身を含む): 80890920

約数和(自身を除く): 29750517

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 37139, 111417, 334251, 631363, 1002753, 1894089, 3008259, 5682267, 17046801, 51140403]

約数ペア:

[(1, 51140403), (3, 17046801), (9, 5682267), (17, 3008259), (27, 1894089), (51, 1002753), (81, 631363), (153, 334251), (459, 111417), (1377, 37139)]