16877385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 33770880

約数和(自身を除く): 16893495

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 409, 655, 917, 1179, 1227, 1965, 2045, 2751, 2863, 3681, 4585, 5895, 6135, 8253, 8589, 13755, 14315, 18405, 25767, 41265, 42945, 53579, 128835, 160737, 267895, 375053, 482211, 803685, 1125159, 1875265, 2411055, 3375477, 5625795, 16877385]

約数ペア:

[(1, 16877385), (3, 5625795), (5, 3375477), (7, 2411055), (9, 1875265), (15, 1125159), (21, 803685), (35, 482211), (45, 375053), (63, 267895), (105, 160737), (131, 128835), (315, 53579), (393, 42945), (409, 41265), (655, 25767), (917, 18405), (1179, 14315), (1227, 13755), (1965, 8589), (2045, 8253), (2751, 6135), (2863, 5895), (3681, 4585)]