2123345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 3194880

約数和(自身を除く): 1071535

約数列:

[1, 5, 7, 19, 31, 35, 95, 103, 133, 155, 217, 515, 589, 665, 721, 1085, 1957, 2945, 3193, 3605, 4123, 9785, 13699, 15965, 20615, 22351, 60667, 68495, 111755, 303335, 424669, 2123345]

約数ペア:

[(1, 2123345), (5, 424669), (7, 303335), (19, 111755), (31, 68495), (35, 60667), (95, 22351), (103, 20615), (133, 15965), (155, 13699), (217, 9785), (515, 4123), (589, 3605), (665, 3193), (721, 2945), (1085, 1957)]