51258501

素因数分解:

$3^4\times 7^1\times {\mathrm{90403}}^1$

素因数の和:90422

約数の個数: 20

約数和(自身を含む): 87511072

約数和(自身を除く): 36252571

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90403, 271209, 632821, 813627, 1898463, 2440881, 5695389, 7322643, 17086167, 51258501]

約数ペア:

[(1, 51258501), (3, 17086167), (7, 7322643), (9, 5695389), (21, 2440881), (27, 1898463), (63, 813627), (81, 632821), (189, 271209), (567, 90403)]