87991029

素因数分解:

$3^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 56

約数和(自身を含む): 154663872

約数和(自身を除く): 66672843

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 387, 401, 567, 729, 903, 1161, 1203, 1701, 2709, 2807, 3483, 3609, 5103, 8127, 8421, 10449, 10827, 17243, 24381, 25263, 31347, 32481, 51729, 73143, 75789, 97443, 120701, 155187, 219429, 227367, 292329, 362103, 465561, 682101, 1086309, 1396683, 2046303, 3258927, 4190049, 9776781, 12570147, 29330343, 87991029]

約数ペア:

[(1, 87991029), (3, 29330343), (7, 12570147), (9, 9776781), (21, 4190049), (27, 3258927), (43, 2046303), (63, 1396683), (81, 1086309), (129, 682101), (189, 465561), (243, 362103), (301, 292329), (387, 227367), (401, 219429), (567, 155187), (729, 120701), (903, 97443), (1161, 75789), (1203, 73143), (1701, 51729), (2709, 32481), (2807, 31347), (3483, 25263), (3609, 24381), (5103, 17243), (8127, 10827), (8421, 10449)]