15526161

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 26832960

約数和(自身を除く): 11306799

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 197, 417, 567, 591, 973, 1251, 1379, 1773, 2919, 3753, 4137, 5319, 8757, 11259, 12411, 15957, 26271, 27383, 37233, 78813, 82149, 111699, 191681, 246447, 575043, 739341, 1725129, 2218023, 5175387, 15526161]

約数ペア:

[(1, 15526161), (3, 5175387), (7, 2218023), (9, 1725129), (21, 739341), (27, 575043), (63, 246447), (81, 191681), (139, 111699), (189, 82149), (197, 78813), (417, 37233), (567, 27383), (591, 26271), (973, 15957), (1251, 12411), (1379, 11259), (1773, 8757), (2919, 5319), (3753, 4137)]