138915441

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 250754400

約数和(自身を除く): 111838959

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 59, 63, 133, 147, 171, 177, 281, 399, 413, 441, 531, 843, 931, 1121, 1197, 1239, 1967, 2529, 2793, 2891, 3363, 3717, 5339, 5901, 7847, 8379, 8673, 10089, 13769, 16017, 16579, 17703, 23541, 26019, 37373, 41307, 48051, 49737, 54929, 70623, 112119, 116053, 123921, 149211, 164787, 261611, 315001, 336357, 348159, 494361, 784833, 812371, 945003, 1044477, 2205007, 2354499, 2437113, 2835009, 6615021, 7311339, 15435049, 19845063, 46305147, 138915441]

約数ペア:

[(1, 138915441), (3, 46305147), (7, 19845063), (9, 15435049), (19, 7311339), (21, 6615021), (49, 2835009), (57, 2437113), (59, 2354499), (63, 2205007), (133, 1044477), (147, 945003), (171, 812371), (177, 784833), (281, 494361), (399, 348159), (413, 336357), (441, 315001), (531, 261611), (843, 164787), (931, 149211), (1121, 123921), (1197, 116053), (1239, 112119), (1967, 70623), (2529, 54929), (2793, 49737), (2891, 48051), (3363, 41307), (3717, 37373), (5339, 26019), (5901, 23541), (7847, 17703), (8379, 16579), (8673, 16017), (10089, 13769)]