126217721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19121}}^1$

素因数の和:19192

約数の個数: 16

約数和(自身を含む): 154199808

約数和(自身を除く): 27982087

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 19121, 133847, 439783, 783961, 3078481, 5487727, 18031103, 126217721]

約数ペア:

[(1, 126217721), (7, 18031103), (23, 5487727), (41, 3078481), (161, 783961), (287, 439783), (943, 133847), (6601, 19121)]