720071877

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{1831}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 1119483904

約数和(自身を除く): 399412027

約数列:

[1, 3, 7, 21, 61, 183, 307, 427, 921, 1281, 1831, 2149, 5493, 6447, 12817, 18727, 38451, 56181, 111691, 131089, 335073, 393267, 562117, 781837, 1686351, 2345511, 3934819, 11804457, 34289137, 102867411, 240023959, 720071877]

約数ペア:

[(1, 720071877), (3, 240023959), (7, 102867411), (21, 34289137), (61, 11804457), (183, 3934819), (307, 2345511), (427, 1686351), (921, 781837), (1281, 562117), (1831, 393267), (2149, 335073), (5493, 131089), (6447, 111691), (12817, 56181), (18727, 38451)]