28761213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17987}}^1$

素因数の和:18044

約数の個数: 16

約数和(自身を含む): 42307776

約数和(自身を除く): 13546563

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17987, 53961, 233831, 701493, 737467, 2212401, 9587071, 28761213]

約数ペア:

[(1, 28761213), (3, 9587071), (13, 2212401), (39, 737467), (41, 701493), (123, 233831), (533, 53961), (1599, 17987)]