29978181

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 48688640

約数和(自身を除く): 18710459

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 151, 171, 243, 387, 453, 513, 817, 1161, 1359, 1539, 2451, 2869, 3483, 4077, 4617, 6493, 7353, 8607, 10449, 12231, 19479, 22059, 25821, 36693, 58437, 66177, 77463, 123367, 175311, 198531, 232389, 370101, 525933, 697167, 1110303, 1577799, 3330909, 9992727, 29978181]

約数ペア:

[(1, 29978181), (3, 9992727), (9, 3330909), (19, 1577799), (27, 1110303), (43, 697167), (57, 525933), (81, 370101), (129, 232389), (151, 198531), (171, 175311), (243, 123367), (387, 77463), (453, 66177), (513, 58437), (817, 36693), (1161, 25821), (1359, 22059), (1539, 19479), (2451, 12231), (2869, 10449), (3483, 8607), (4077, 7353), (4617, 6493)]