201681705

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 327431808

約数和(自身を除く): 125750103

約数列:

[1, 3, 5, 15, 131, 197, 393, 521, 591, 655, 985, 1563, 1965, 2605, 2955, 7815, 25807, 68251, 77421, 102637, 129035, 204753, 307911, 341255, 387105, 513185, 1023765, 1539555, 13445447, 40336341, 67227235, 201681705]

約数ペア:

[(1, 201681705), (3, 67227235), (5, 40336341), (15, 13445447), (131, 1539555), (197, 1023765), (393, 513185), (521, 387105), (591, 341255), (655, 307911), (985, 204753), (1563, 129035), (1965, 102637), (2605, 77421), (2955, 68251), (7815, 25807)]