30491181

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 55358400

約数和(自身を除く): 24867219

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1213, 1323, 2793, 3591, 3639, 8379, 8491, 10917, 23047, 25137, 25473, 32751, 59437, 69141, 76419, 161329, 178311, 207423, 229257, 483987, 534933, 622269, 1129303, 1451961, 1604799, 3387909, 4355883, 10163727, 30491181]

約数ペア:

[(1, 30491181), (3, 10163727), (7, 4355883), (9, 3387909), (19, 1604799), (21, 1451961), (27, 1129303), (49, 622269), (57, 534933), (63, 483987), (133, 229257), (147, 207423), (171, 178311), (189, 161329), (399, 76419), (441, 69141), (513, 59437), (931, 32751), (1197, 25473), (1213, 25137), (1323, 23047), (2793, 10917), (3591, 8491), (3639, 8379)]