181964307

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 285990912

約数和(自身を除く): 104026605

約数列:

[1, 3, 7, 21, 47, 107, 141, 321, 329, 749, 987, 1723, 2247, 5029, 5169, 12061, 15087, 35203, 36183, 80981, 105609, 184361, 242943, 553083, 566867, 1290527, 1700601, 3871581, 8664967, 25994901, 60654769, 181964307]

約数ペア:

[(1, 181964307), (3, 60654769), (7, 25994901), (21, 8664967), (47, 3871581), (107, 1700601), (141, 1290527), (321, 566867), (329, 553083), (749, 242943), (987, 184361), (1723, 105609), (2247, 80981), (5029, 36183), (5169, 35203), (12061, 15087)]