23301999

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 43155840

約数和(自身を除く): 19853841

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 103, 133, 147, 171, 189, 243, 309, 399, 441, 513, 567, 721, 927, 931, 1197, 1323, 1539, 1701, 1957, 2163, 2781, 2793, 3591, 3969, 4617, 5047, 5871, 6489, 8343, 8379, 10773, 11907, 13699, 15141, 17613, 19467, 25029, 25137, 32319, 41097, 45423, 52839, 58401, 75411, 95893, 123291, 136269, 158517, 175203, 226233, 287679, 369873, 408807, 475551, 863037, 1109619, 1226421, 2589111, 3328857, 7767333, 23301999]

約数ペア:

[(1, 23301999), (3, 7767333), (7, 3328857), (9, 2589111), (19, 1226421), (21, 1109619), (27, 863037), (49, 475551), (57, 408807), (63, 369873), (81, 287679), (103, 226233), (133, 175203), (147, 158517), (171, 136269), (189, 123291), (243, 95893), (309, 75411), (399, 58401), (441, 52839), (513, 45423), (567, 41097), (721, 32319), (927, 25137), (931, 25029), (1197, 19467), (1323, 17613), (1539, 15141), (1701, 13699), (1957, 11907), (2163, 10773), (2781, 8379), (2793, 8343), (3591, 6489), (3969, 5871), (4617, 5047)]