15923817

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6510

約数の個数: 32

約数和(自身を含む): 29039360

約数和(自身を除く): 13115543

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 6481, 19443, 45367, 58329, 84253, 136101, 174987, 252759, 408303, 589771, 758277, 1224909, 1769313, 2274831, 5307939, 15923817]

約数ペア:

[(1, 15923817), (3, 5307939), (7, 2274831), (9, 1769313), (13, 1224909), (21, 758277), (27, 589771), (39, 408303), (63, 252759), (91, 174987), (117, 136101), (189, 84253), (273, 58329), (351, 45367), (819, 19443), (2457, 6481)]