87021945

素因数分解:

$3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 158907840

約数和(自身を除く): 71885895

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 335, 405, 603, 1005, 1069, 1215, 1809, 3015, 3207, 5345, 5427, 9045, 9621, 16035, 16281, 27135, 28863, 48105, 71623, 81405, 86589, 144315, 214869, 259767, 358115, 432945, 644607, 1074345, 1298835, 1933821, 3223035, 5801463, 9669105, 17404389, 29007315, 87021945]

約数ペア:

[(1, 87021945), (3, 29007315), (5, 17404389), (9, 9669105), (15, 5801463), (27, 3223035), (45, 1933821), (67, 1298835), (81, 1074345), (135, 644607), (201, 432945), (243, 358115), (335, 259767), (405, 214869), (603, 144315), (1005, 86589), (1069, 81405), (1215, 71623), (1809, 48105), (3015, 28863), (3207, 27135), (5345, 16281), (5427, 16035), (9045, 9621)]