64974987

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31253}}^1$

素因数の和:31280

約数の個数: 32

約数和(自身を含む): 120015360

約数和(自身を除く): 55040373

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 31253, 93759, 218771, 281277, 343783, 656313, 843831, 1031349, 1968939, 2406481, 3094047, 5906817, 7219443, 9282141, 21658329, 64974987]

約数ペア:

[(1, 64974987), (3, 21658329), (7, 9282141), (9, 7219443), (11, 5906817), (21, 3094047), (27, 2406481), (33, 1968939), (63, 1031349), (77, 843831), (99, 656313), (189, 343783), (231, 281277), (297, 218771), (693, 93759), (2079, 31253)]