1221891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 1809408

約数和(自身を除く): 587517

約数列:

[1, 3, 11, 33, 61, 183, 607, 671, 1821, 2013, 6677, 20031, 37027, 111081, 407297, 1221891]

約数ペア:

[(1, 1221891), (3, 407297), (11, 111081), (33, 37027), (61, 20031), (183, 6677), (607, 2013), (671, 1821)]