1320497919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{16921}}^1$

素因数の和:16992

約数の個数: 48

約数和(自身を含む): 2217458880

約数和(自身を除く): 896960961

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 207, 261, 299, 377, 667, 897, 1131, 2001, 2691, 3393, 6003, 8671, 16921, 26013, 50763, 78039, 152289, 219973, 389183, 490709, 659919, 1167549, 1472127, 1979757, 3502647, 4416381, 5059379, 6379217, 11286307, 15178137, 19137651, 33858921, 45534411, 57412953, 101576763, 146721991, 440165973, 1320497919]

約数ペア:

[(1, 1320497919), (3, 440165973), (9, 146721991), (13, 101576763), (23, 57412953), (29, 45534411), (39, 33858921), (69, 19137651), (87, 15178137), (117, 11286307), (207, 6379217), (261, 5059379), (299, 4416381), (377, 3502647), (667, 1979757), (897, 1472127), (1131, 1167549), (2001, 659919), (2691, 490709), (3393, 389183), (6003, 219973), (8671, 152289), (16921, 78039), (26013, 50763)]