16205865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2027}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 28619136

約数和(自身を除く): 12413271

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2027, 2665, 6081, 7995, 10135, 26351, 30405, 79053, 83107, 131755, 249321, 395265, 415535, 1080391, 1246605, 3241173, 5401955, 16205865]

約数ペア:

[(1, 16205865), (3, 5401955), (5, 3241173), (13, 1246605), (15, 1080391), (39, 415535), (41, 395265), (65, 249321), (123, 131755), (195, 83107), (205, 79053), (533, 30405), (615, 26351), (1599, 10135), (2027, 7995), (2665, 6081)]