163405989

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{1877}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 250487640

約数和(自身を除く): 87081651

約数列:

[1, 3, 9, 17, 51, 153, 569, 1707, 1877, 5121, 5631, 9673, 16893, 29019, 31909, 87057, 95727, 287181, 1068013, 3204039, 9612117, 18156221, 54468663, 163405989]

約数ペア:

[(1, 163405989), (3, 54468663), (9, 18156221), (17, 9612117), (51, 3204039), (153, 1068013), (569, 287181), (1707, 95727), (1877, 87057), (5121, 31909), (5631, 29019), (9673, 16893)]