1669707

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 2741760

約数和(自身を除く): 1072053

約数列:

[1, 3, 9, 13, 27, 39, 67, 71, 117, 201, 213, 351, 603, 639, 871, 923, 1809, 1917, 2613, 2769, 4757, 7839, 8307, 14271, 23517, 24921, 42813, 61841, 128439, 185523, 556569, 1669707]

約数ペア:

[(1, 1669707), (3, 556569), (9, 185523), (13, 128439), (27, 61841), (39, 42813), (67, 24921), (71, 23517), (117, 14271), (201, 8307), (213, 7839), (351, 4757), (603, 2769), (639, 2613), (871, 1917), (923, 1809)]