138304815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 245158368

約数和(自身を除く): 106853553

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 181, 363, 421, 543, 605, 905, 1263, 1815, 1991, 2105, 2715, 4631, 5973, 6315, 9955, 13893, 21901, 23155, 29865, 50941, 65703, 69465, 76201, 109505, 152823, 228603, 254705, 328515, 381005, 764115, 838211, 1143015, 2514633, 4191055, 9220321, 12573165, 27660963, 46101605, 138304815]

約数ペア:

[(1, 138304815), (3, 46101605), (5, 27660963), (11, 12573165), (15, 9220321), (33, 4191055), (55, 2514633), (121, 1143015), (165, 838211), (181, 764115), (363, 381005), (421, 328515), (543, 254705), (605, 228603), (905, 152823), (1263, 109505), (1815, 76201), (1991, 69465), (2105, 65703), (2715, 50941), (4631, 29865), (5973, 23155), (6315, 21901), (9955, 13893)]