13800213

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 25727520

約数和(自身を除く): 11927307

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 61, 63, 81, 133, 147, 171, 183, 189, 243, 399, 427, 441, 513, 549, 567, 931, 1159, 1197, 1281, 1323, 1539, 1647, 1701, 2793, 2989, 3477, 3591, 3843, 3969, 4617, 4941, 8113, 8379, 8967, 10431, 10773, 11529, 11907, 14823, 24339, 25137, 26901, 31293, 32319, 34587, 56791, 73017, 75411, 80703, 93879, 103761, 170373, 219051, 226233, 242109, 281637, 511119, 657153, 726327, 1533357, 1971459, 4600071, 13800213]

約数ペア:

[(1, 13800213), (3, 4600071), (7, 1971459), (9, 1533357), (19, 726327), (21, 657153), (27, 511119), (49, 281637), (57, 242109), (61, 226233), (63, 219051), (81, 170373), (133, 103761), (147, 93879), (171, 80703), (183, 75411), (189, 73017), (243, 56791), (399, 34587), (427, 32319), (441, 31293), (513, 26901), (549, 25137), (567, 24339), (931, 14823), (1159, 11907), (1197, 11529), (1281, 10773), (1323, 10431), (1539, 8967), (1647, 8379), (1701, 8113), (2793, 4941), (2989, 4617), (3477, 3969), (3591, 3843)]