17688879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4927

約数の個数: 24

約数和(自身を含む): 28409472

約数和(自身を除く): 10720593

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 4877, 14631, 43893, 63401, 151187, 190203, 453561, 570609, 1360683, 1965431, 5896293, 17688879]

約数ペア:

[(1, 17688879), (3, 5896293), (9, 1965431), (13, 1360683), (31, 570609), (39, 453561), (93, 190203), (117, 151187), (279, 63401), (403, 43893), (1209, 14631), (3627, 4877)]