18366777

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 14534343

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 67, 71, 99, 117, 143, 201, 213, 297, 351, 429, 603, 639, 737, 781, 871, 923, 1287, 1809, 1917, 2211, 2343, 2613, 2769, 3861, 4757, 6633, 7029, 7839, 8307, 9581, 10153, 14271, 19899, 21087, 23517, 24921, 28743, 30459, 42813, 52327, 61841, 86229, 91377, 128439, 156981, 185523, 258687, 274131, 470943, 556569, 680251, 1412829, 1669707, 2040753, 6122259, 18366777]

約数ペア:

[(1, 18366777), (3, 6122259), (9, 2040753), (11, 1669707), (13, 1412829), (27, 680251), (33, 556569), (39, 470943), (67, 274131), (71, 258687), (99, 185523), (117, 156981), (143, 128439), (201, 91377), (213, 86229), (297, 61841), (351, 52327), (429, 42813), (603, 30459), (639, 28743), (737, 24921), (781, 23517), (871, 21087), (923, 19899), (1287, 14271), (1809, 10153), (1917, 9581), (2211, 8307), (2343, 7839), (2613, 7029), (2769, 6633), (3861, 4757)]