128385621

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52253}}^1$

素因数の和:52282

約数の個数: 32

約数和(自身を含む): 234097920

約数和(自身を除く): 105712299

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 52253, 156759, 365771, 470277, 679289, 1097313, 1410831, 2037867, 3291939, 4755023, 6113601, 9875817, 14265069, 18340803, 42795207, 128385621]

約数ペア:

[(1, 128385621), (3, 42795207), (7, 18340803), (9, 14265069), (13, 9875817), (21, 6113601), (27, 4755023), (39, 3291939), (63, 2037867), (91, 1410831), (117, 1097313), (189, 679289), (273, 470277), (351, 365771), (819, 156759), (2457, 52253)]