201405885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1\times {\mathrm{991}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 341978112

約数和(自身を除く): 140572227

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 797, 991, 2391, 2973, 3985, 4955, 11955, 13549, 14865, 16847, 40647, 50541, 67745, 84235, 203235, 252705, 789827, 2369481, 3949135, 11847405, 13427059, 40281177, 67135295, 201405885]

約数ペア:

[(1, 201405885), (3, 67135295), (5, 40281177), (15, 13427059), (17, 11847405), (51, 3949135), (85, 2369481), (255, 789827), (797, 252705), (991, 203235), (2391, 84235), (2973, 67745), (3985, 50541), (4955, 40647), (11955, 16847), (13549, 14865)]