19991103

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9931}}^1$

素因数の和:10006

約数の個数: 16

約数和(自身を含む): 29557632

約数和(自身を除く): 9566529

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9931, 29793, 109241, 327723, 605791, 1817373, 6663701, 19991103]

約数ペア:

[(1, 19991103), (3, 6663701), (11, 1817373), (33, 605791), (61, 327723), (183, 109241), (671, 29793), (2013, 9931)]