28477215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48679}}^1$

素因数の和:48703

約数の個数: 24

約数和(自身を含む): 53158560

約数和(自身を除く): 24681345

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 48679, 146037, 243395, 438111, 632827, 730185, 1898481, 2190555, 3164135, 5695443, 9492405, 28477215]

約数ペア:

[(1, 28477215), (3, 9492405), (5, 5695443), (9, 3164135), (13, 2190555), (15, 1898481), (39, 730185), (45, 632827), (65, 438111), (117, 243395), (195, 146037), (585, 48679)]