12966987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20714

約数の個数: 16

約数和(自身を含む): 19854720

約数和(自身を除く): 6887733

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20681, 62043, 227491, 392939, 682473, 1178817, 4322329, 12966987]

約数ペア:

[(1, 12966987), (3, 4322329), (11, 1178817), (19, 682473), (33, 392939), (57, 227491), (209, 62043), (627, 20681)]