7130529

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 13515840

約数和(自身を除く): 6385311

約数列:

[1, 3, 7, 9, 19, 21, 23, 37, 49, 57, 63, 69, 111, 133, 147, 161, 171, 207, 259, 333, 399, 437, 441, 483, 703, 777, 851, 931, 1127, 1197, 1311, 1449, 1813, 2109, 2331, 2553, 2793, 3059, 3381, 3933, 4921, 5439, 5957, 6327, 7659, 8379, 9177, 10143, 14763, 16169, 16317, 17871, 21413, 27531, 34447, 41699, 44289, 48507, 53613, 64239, 103341, 113183, 125097, 145521, 192717, 310023, 339549, 375291, 792281, 1018647, 2376843, 7130529]

約数ペア:

[(1, 7130529), (3, 2376843), (7, 1018647), (9, 792281), (19, 375291), (21, 339549), (23, 310023), (37, 192717), (49, 145521), (57, 125097), (63, 113183), (69, 103341), (111, 64239), (133, 53613), (147, 48507), (161, 44289), (171, 41699), (207, 34447), (259, 27531), (333, 21413), (399, 17871), (437, 16317), (441, 16169), (483, 14763), (703, 10143), (777, 9177), (851, 8379), (931, 7659), (1127, 6327), (1197, 5957), (1311, 5439), (1449, 4921), (1813, 3933), (2109, 3381), (2331, 3059), (2553, 2793)]