142746381

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 224130720

約数和(自身を除く): 81384339

約数列:

[1, 3, 9, 27, 29, 67, 81, 87, 201, 261, 603, 783, 907, 1809, 1943, 2349, 2721, 5427, 5829, 8163, 17487, 24489, 26303, 52461, 60769, 73467, 78909, 157383, 182307, 236727, 546921, 710181, 1640763, 1762301, 2130543, 4922289, 5286903, 15860709, 47582127, 142746381]

約数ペア:

[(1, 142746381), (3, 47582127), (9, 15860709), (27, 5286903), (29, 4922289), (67, 2130543), (81, 1762301), (87, 1640763), (201, 710181), (261, 546921), (603, 236727), (783, 182307), (907, 157383), (1809, 78909), (1943, 73467), (2349, 60769), (2721, 52461), (5427, 26303), (5829, 24489), (8163, 17487)]