39151791

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20047}}^1$

素因数の和:20091

約数の個数: 24

約数和(自身を含む): 66719744

約数和(自身を除く): 27567953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20047, 60141, 140329, 180423, 420987, 621457, 1262961, 1864371, 4350199, 5593113, 13050597, 39151791]

約数ペア:

[(1, 39151791), (3, 13050597), (7, 5593113), (9, 4350199), (21, 1864371), (31, 1262961), (63, 621457), (93, 420987), (217, 180423), (279, 140329), (651, 60141), (1953, 20047)]