61309143

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 112869120

約数和(自身を除く): 51559977

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 243, 271, 399, 441, 513, 567, 813, 931, 1197, 1323, 1539, 1701, 1897, 2439, 2793, 3591, 3969, 4617, 5149, 5691, 7317, 8379, 10773, 11907, 13279, 15447, 17073, 21951, 25137, 32319, 36043, 39837, 46341, 51219, 65853, 75411, 108129, 119511, 139023, 153657, 226233, 252301, 324387, 358533, 417069, 460971, 756903, 973161, 1075599, 1251207, 2270709, 2919483, 3226797, 6812127, 8758449, 20436381, 61309143]

約数ペア:

[(1, 61309143), (3, 20436381), (7, 8758449), (9, 6812127), (19, 3226797), (21, 2919483), (27, 2270709), (49, 1251207), (57, 1075599), (63, 973161), (81, 756903), (133, 460971), (147, 417069), (171, 358533), (189, 324387), (243, 252301), (271, 226233), (399, 153657), (441, 139023), (513, 119511), (567, 108129), (813, 75411), (931, 65853), (1197, 51219), (1323, 46341), (1539, 39837), (1701, 36043), (1897, 32319), (2439, 25137), (2793, 21951), (3591, 17073), (3969, 15447), (4617, 13279), (5149, 11907), (5691, 10773), (7317, 8379)]