64156239

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 112285440

約数和(自身を除く): 48129201

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 189, 213, 441, 497, 639, 683, 1323, 1491, 1917, 2049, 3479, 4473, 4781, 6147, 10437, 13419, 14343, 18441, 31311, 33467, 43029, 48493, 93933, 100401, 129087, 145479, 301203, 339451, 436437, 903609, 1018353, 1309311, 2376157, 3055059, 7128471, 9165177, 21385413, 64156239]

約数ペア:

[(1, 64156239), (3, 21385413), (7, 9165177), (9, 7128471), (21, 3055059), (27, 2376157), (49, 1309311), (63, 1018353), (71, 903609), (147, 436437), (189, 339451), (213, 301203), (441, 145479), (497, 129087), (639, 100401), (683, 93933), (1323, 48493), (1491, 43029), (1917, 33467), (2049, 31311), (3479, 18441), (4473, 14343), (4781, 13419), (6147, 10437)]