13869989

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 17422848

約数和(自身を除く): 3552859

約数列:

[1, 7, 23, 31, 49, 161, 217, 397, 713, 1127, 1519, 2779, 4991, 9131, 12307, 19453, 34937, 63917, 86149, 283061, 447419, 603043, 1981427, 13869989]

約数ペア:

[(1, 13869989), (7, 1981427), (23, 603043), (31, 447419), (49, 283061), (161, 86149), (217, 63917), (397, 34937), (713, 19453), (1127, 12307), (1519, 9131), (2779, 4991)]