40667427

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 64399104

約数和(自身を除く): 23731677

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 207, 249, 263, 621, 747, 789, 1863, 1909, 2241, 2367, 5727, 6049, 6723, 7101, 17181, 18147, 21303, 21829, 51543, 54441, 65487, 154629, 163323, 196461, 489969, 502067, 589383, 1506201, 1768149, 4518603, 13555809, 40667427]

約数ペア:

[(1, 40667427), (3, 13555809), (9, 4518603), (23, 1768149), (27, 1506201), (69, 589383), (81, 502067), (83, 489969), (207, 196461), (249, 163323), (263, 154629), (621, 65487), (747, 54441), (789, 51543), (1863, 21829), (1909, 21303), (2241, 18147), (2367, 17181), (5727, 7101), (6049, 6723)]