20147343489

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{221621}}^1$

素因数の和:221687

約数の個数: 64

約数和(自身を含む): 37728929280

約数和(自身を除く): 17581585791

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 333, 351, 481, 777, 819, 999, 1443, 2331, 2457, 3367, 4329, 6993, 10101, 12987, 30303, 90909, 221621, 664863, 1551347, 1994589, 2881073, 4654041, 5983767, 8199977, 8643219, 13962123, 20167511, 24599931, 25929657, 41886369, 57399839, 60502533, 73799793, 77788971, 106599701, 172199517, 181507599, 221399379, 319799103, 516598551, 544522797, 746197907, 959397309, 1549795653, 2238593721, 2878191927, 6715781163, 20147343489]

約数ペア:

[(1, 20147343489), (3, 6715781163), (7, 2878191927), (9, 2238593721), (13, 1549795653), (21, 959397309), (27, 746197907), (37, 544522797), (39, 516598551), (63, 319799103), (91, 221399379), (111, 181507599), (117, 172199517), (189, 106599701), (259, 77788971), (273, 73799793), (333, 60502533), (351, 57399839), (481, 41886369), (777, 25929657), (819, 24599931), (999, 20167511), (1443, 13962123), (2331, 8643219), (2457, 8199977), (3367, 5983767), (4329, 4654041), (6993, 2881073), (10101, 1994589), (12987, 1551347), (30303, 664863), (90909, 221621)]