81235385

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 126764352

約数和(自身を除く): 45528967

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 301, 385, 473, 539, 701, 1505, 2107, 2365, 2695, 3311, 3505, 4907, 7711, 10535, 16555, 23177, 24535, 30143, 34349, 38555, 53977, 115885, 150715, 171745, 211001, 269885, 331573, 377839, 1055005, 1477007, 1657865, 1889195, 2321011, 7385035, 11605055, 16247077, 81235385]

約数ペア:

[(1, 81235385), (5, 16247077), (7, 11605055), (11, 7385035), (35, 2321011), (43, 1889195), (49, 1657865), (55, 1477007), (77, 1055005), (215, 377839), (245, 331573), (301, 269885), (385, 211001), (473, 171745), (539, 150715), (701, 115885), (1505, 53977), (2107, 38555), (2365, 34349), (2695, 30143), (3311, 24535), (3505, 23177), (4907, 16555), (7711, 10535)]