17688411

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 29629600

約数和(自身を除く): 11941189

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 109, 117, 171, 219, 247, 327, 657, 741, 949, 981, 1387, 1417, 2071, 2223, 2847, 4161, 4251, 6213, 7957, 8541, 12483, 12753, 18031, 18639, 23871, 26923, 54093, 71613, 80769, 103441, 151183, 162279, 242307, 310323, 453549, 930969, 1360647, 1965379, 5896137, 17688411]

約数ペア:

[(1, 17688411), (3, 5896137), (9, 1965379), (13, 1360647), (19, 930969), (39, 453549), (57, 310323), (73, 242307), (109, 162279), (117, 151183), (171, 103441), (219, 80769), (247, 71613), (327, 54093), (657, 26923), (741, 23871), (949, 18639), (981, 18031), (1387, 12753), (1417, 12483), (2071, 8541), (2223, 7957), (2847, 6213), (4161, 4251)]