54507321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 91990080

約数和(自身を除く): 37482759

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 139, 153, 187, 233, 417, 561, 699, 1251, 1529, 1683, 2097, 2363, 2563, 3961, 4587, 7089, 7689, 11883, 13761, 21267, 23067, 25993, 32387, 35649, 43571, 77979, 97161, 130713, 233937, 291483, 356257, 392139, 550579, 1068771, 1651737, 3206313, 4955211, 6056369, 18169107, 54507321]

約数ペア:

[(1, 54507321), (3, 18169107), (9, 6056369), (11, 4955211), (17, 3206313), (33, 1651737), (51, 1068771), (99, 550579), (139, 392139), (153, 356257), (187, 291483), (233, 233937), (417, 130713), (561, 97161), (699, 77979), (1251, 43571), (1529, 35649), (1683, 32387), (2097, 25993), (2363, 23067), (2563, 21267), (3961, 13761), (4587, 11883), (7089, 7689)]