17980967547

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{44537}}^1$

素因数の和:45352

約数の個数: 32

約数和(自身を含む): 28076755200

約数和(自身を除く): 10095787653

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 787, 2361, 7083, 14953, 21249, 44537, 44859, 133611, 134577, 400833, 403731, 846203, 1202499, 2538609, 7615827, 22847481, 35050619, 105151857, 315455571, 665961761, 946366713, 1997885283, 5993655849, 17980967547]

約数ペア:

[(1, 17980967547), (3, 5993655849), (9, 1997885283), (19, 946366713), (27, 665961761), (57, 315455571), (171, 105151857), (513, 35050619), (787, 22847481), (2361, 7615827), (7083, 2538609), (14953, 1202499), (21249, 846203), (44537, 403731), (44859, 400833), (133611, 134577)]