215520019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2287}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 253693440

約数和(自身を除く): 38173421

約数列:

[1, 11, 13, 143, 659, 2287, 7249, 8567, 25157, 29731, 94237, 327041, 1507133, 16578463, 19592729, 215520019]

約数ペア:

[(1, 215520019), (11, 19592729), (13, 16578463), (143, 1507133), (659, 327041), (2287, 94237), (7249, 29731), (8567, 25157)]