68274381

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 109209600

約数和(自身を除く): 40935219

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 1579, 2059, 4737, 6177, 11053, 14413, 33159, 43239, 45791, 112109, 137373, 320537, 336327, 784763, 961611, 2354289, 3251161, 9753483, 22758127, 68274381]

約数ペア:

[(1, 68274381), (3, 22758127), (7, 9753483), (21, 3251161), (29, 2354289), (71, 961611), (87, 784763), (203, 336327), (213, 320537), (497, 137373), (609, 112109), (1491, 45791), (1579, 43239), (2059, 33159), (4737, 14413), (6177, 11053)]