68109909

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 106930176

約数和(自身を除く): 38820267

約数列:

[1, 3, 7, 21, 47, 141, 151, 329, 453, 457, 987, 1057, 1371, 3171, 3199, 7097, 9597, 21291, 21479, 49679, 64437, 69007, 149037, 150353, 207021, 451059, 483049, 1449147, 3243329, 9729987, 22703303, 68109909]

約数ペア:

[(1, 68109909), (3, 22703303), (7, 9729987), (21, 3243329), (47, 1449147), (141, 483049), (151, 451059), (329, 207021), (453, 150353), (457, 149037), (987, 69007), (1057, 64437), (1371, 49679), (3171, 21479), (3199, 21291), (7097, 9597)]