16568487

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 11107161

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 117, 131, 141, 207, 299, 393, 423, 611, 897, 1081, 1179, 1703, 1833, 2691, 3013, 3243, 5109, 5499, 6157, 9039, 9729, 14053, 15327, 18471, 27117, 39169, 42159, 55413, 80041, 117507, 126477, 141611, 240123, 352521, 424833, 720369, 1274499, 1840943, 5522829, 16568487]

約数ペア:

[(1, 16568487), (3, 5522829), (9, 1840943), (13, 1274499), (23, 720369), (39, 424833), (47, 352521), (69, 240123), (117, 141611), (131, 126477), (141, 117507), (207, 80041), (299, 55413), (393, 42159), (423, 39169), (611, 27117), (897, 18471), (1081, 15327), (1179, 14053), (1703, 9729), (1833, 9039), (2691, 6157), (3013, 5499), (3243, 5109)]