201065721

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 286015488

約数和(自身を除く): 84949767

約数列:

[1, 3, 31, 43, 93, 129, 137, 367, 411, 1101, 1333, 3999, 4247, 5891, 11377, 12741, 15781, 17673, 34131, 47343, 50279, 150837, 182621, 489211, 547863, 1467633, 1558649, 2161997, 4675947, 6485991, 67021907, 201065721]

約数ペア:

[(1, 201065721), (3, 67021907), (31, 6485991), (43, 4675947), (93, 2161997), (129, 1558649), (137, 1467633), (367, 547863), (411, 489211), (1101, 182621), (1333, 150837), (3999, 50279), (4247, 47343), (5891, 34131), (11377, 17673), (12741, 15781)]