212299009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6911}}^1$

素因数の和:7080

約数の個数: 16

約数和(自身を含む): 243855360

約数和(自身を除く): 31556351

約数列:

[1, 13, 17, 139, 221, 1807, 2363, 6911, 30719, 89843, 117487, 960629, 1527331, 12488177, 16330693, 212299009]

約数ペア:

[(1, 212299009), (13, 16330693), (17, 12488177), (139, 1527331), (221, 960629), (1807, 117487), (2363, 89843), (6911, 30719)]