720052671

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{26263}}^1$

素因数の和:26335

約数の個数: 32

約数和(自身を含む): 1117795840

約数和(自身を除く): 397743169

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 9139, 26263, 27417, 78789, 341419, 498997, 971731, 1024257, 1496991, 2915193, 6486961, 12632503, 18462889, 19460883, 37897509, 55388667, 240017557, 720052671]

約数ペア:

[(1, 720052671), (3, 240017557), (13, 55388667), (19, 37897509), (37, 19460883), (39, 18462889), (57, 12632503), (111, 6486961), (247, 2915193), (481, 1496991), (703, 1024257), (741, 971731), (1443, 498997), (2109, 341419), (9139, 78789), (26263, 27417)]