689330979

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 1085756672

約数和(自身を除く): 396425693

約数列:

[1, 3, 9, 27, 37, 43, 81, 111, 129, 243, 333, 387, 999, 1161, 1591, 1783, 2997, 3483, 4773, 5349, 8991, 10449, 14319, 16047, 42957, 48141, 65971, 76669, 128871, 144423, 197913, 230007, 386613, 433269, 593739, 690021, 1781217, 2070063, 2836753, 5343651, 6210189, 8510259, 16030953, 18630567, 25530777, 76592331, 229776993, 689330979]

約数ペア:

[(1, 689330979), (3, 229776993), (9, 76592331), (27, 25530777), (37, 18630567), (43, 16030953), (81, 8510259), (111, 6210189), (129, 5343651), (243, 2836753), (333, 2070063), (387, 1781217), (999, 690021), (1161, 593739), (1591, 433269), (1783, 386613), (2997, 230007), (3483, 197913), (4773, 144423), (5349, 128871), (8991, 76669), (10449, 65971), (14319, 48141), (16047, 42957)]