121511221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 133210224

約数和(自身を除く): 11699003

約数列:

[1, 13, 97, 173, 557, 1261, 2249, 7241, 16781, 54029, 96361, 218153, 702377, 1252693, 9347017, 121511221]

約数ペア:

[(1, 121511221), (13, 9347017), (97, 1252693), (173, 702377), (557, 218153), (1261, 96361), (2249, 54029), (7241, 16781)]