13859265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 26680320

約数和(自身を除く): 12821055

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 6947, 20841, 34735, 48629, 104205, 131993, 145887, 243145, 395979, 659965, 729435, 923951, 1979895, 2771853, 4619755, 13859265]

約数ペア:

[(1, 13859265), (3, 4619755), (5, 2771853), (7, 1979895), (15, 923951), (19, 729435), (21, 659965), (35, 395979), (57, 243145), (95, 145887), (105, 131993), (133, 104205), (285, 48629), (399, 34735), (665, 20841), (1995, 6947)]