25921701

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 42282240

約数和(自身を除く): 16360539

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 239, 309, 351, 717, 927, 1053, 1339, 2151, 2781, 3107, 4017, 6453, 8343, 9321, 12051, 19359, 24617, 27963, 36153, 73851, 83889, 108459, 221553, 251667, 320021, 664659, 960063, 1993977, 2880189, 8640567, 25921701]

約数ペア:

[(1, 25921701), (3, 8640567), (9, 2880189), (13, 1993977), (27, 960063), (39, 664659), (81, 320021), (103, 251667), (117, 221553), (239, 108459), (309, 83889), (351, 73851), (717, 36153), (927, 27963), (1053, 24617), (1339, 19359), (2151, 12051), (2781, 9321), (3107, 8343), (4017, 6453)]