28931085

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13679}}^1$

素因数の和:13737

約数の個数: 24

約数和(自身を含む): 51217920

約数和(自身を除く): 22286835

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13679, 41037, 68395, 123111, 205185, 615555, 642913, 1928739, 3214565, 5786217, 9643695, 28931085]

約数ペア:

[(1, 28931085), (3, 9643695), (5, 5786217), (9, 3214565), (15, 1928739), (45, 642913), (47, 615555), (141, 205185), (235, 123111), (423, 68395), (705, 41037), (2115, 13679)]