28917549

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 43056000

約数和(自身を除く): 14138451

約数列:

[1, 3, 9, 47, 137, 141, 411, 423, 499, 1233, 1497, 4491, 6439, 19317, 23453, 57951, 68363, 70359, 205089, 211077, 615267, 3213061, 9639183, 28917549]

約数ペア:

[(1, 28917549), (3, 9639183), (9, 3213061), (47, 615267), (137, 211077), (141, 205089), (411, 70359), (423, 68363), (499, 57951), (1233, 23453), (1497, 19317), (4491, 6439)]