18161253

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 31864140

約数和(自身を除く): 13702887

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 109, 121, 153, 187, 297, 327, 363, 459, 561, 891, 981, 1089, 1199, 1377, 1683, 1853, 2057, 2943, 3267, 3597, 5049, 5559, 6171, 8829, 9801, 10791, 13189, 15147, 16677, 18513, 20383, 32373, 39567, 50031, 55539, 61149, 97119, 118701, 150093, 166617, 183447, 224213, 356103, 550341, 672639, 1068309, 1651023, 2017917, 6053751, 18161253]

約数ペア:

[(1, 18161253), (3, 6053751), (9, 2017917), (11, 1651023), (17, 1068309), (27, 672639), (33, 550341), (51, 356103), (81, 224213), (99, 183447), (109, 166617), (121, 150093), (153, 118701), (187, 97119), (297, 61149), (327, 55539), (363, 50031), (459, 39567), (561, 32373), (891, 20383), (981, 18513), (1089, 16677), (1199, 15147), (1377, 13189), (1683, 10791), (1853, 9801), (2057, 8829), (2943, 6171), (3267, 5559), (3597, 5049)]