40025871

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 61714224

約数和(自身を除く): 21688353

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1179, 1997, 2227, 5991, 6681, 17973, 20043, 33949, 101847, 261607, 305541, 784821, 2354463, 4447319, 13341957, 40025871]

約数ペア:

[(1, 40025871), (3, 13341957), (9, 4447319), (17, 2354463), (51, 784821), (131, 305541), (153, 261607), (393, 101847), (1179, 33949), (1997, 20043), (2227, 17973), (5991, 6681)]