11212221

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 15551424

約数和(自身を除く): 4339203

約数列:

[1, 3, 37, 83, 111, 249, 1217, 3071, 3651, 9213, 45029, 101011, 135087, 303033, 3737407, 11212221]

約数ペア:

[(1, 11212221), (3, 3737407), (37, 303033), (83, 135087), (111, 101011), (249, 45029), (1217, 9213), (3071, 3651)]