210908259

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 317990400

約数和(自身を除く): 107082141

約数列:

[1, 3, 9, 27, 103, 181, 309, 419, 543, 927, 1257, 1629, 2781, 3771, 4887, 11313, 18643, 43157, 55929, 75839, 129471, 167787, 227517, 388413, 503361, 682551, 1165239, 2047653, 7811417, 23434251, 70302753, 210908259]

約数ペア:

[(1, 210908259), (3, 70302753), (9, 23434251), (27, 7811417), (103, 2047653), (181, 1165239), (309, 682551), (419, 503361), (543, 388413), (927, 227517), (1257, 167787), (1629, 129471), (2781, 75839), (3771, 55929), (4887, 43157), (11313, 18643)]