201729771

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 314299920

約数和(自身を除く): 112570149

約数列:

[1, 3, 9, 27, 29, 81, 87, 157, 261, 471, 547, 783, 1413, 1641, 2349, 4239, 4553, 4923, 12717, 13659, 14769, 15863, 40977, 44307, 47589, 85879, 122931, 142767, 257637, 368793, 428301, 772911, 1284903, 2318733, 2490491, 6956199, 7471473, 22414419, 67243257, 201729771]

約数ペア:

[(1, 201729771), (3, 67243257), (9, 22414419), (27, 7471473), (29, 6956199), (81, 2490491), (87, 2318733), (157, 1284903), (261, 772911), (471, 428301), (547, 368793), (783, 257637), (1413, 142767), (1641, 122931), (2349, 85879), (4239, 47589), (4553, 44307), (4923, 40977), (12717, 15863), (13659, 14769)]