255720753

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17189}}^1$

素因数の和:17246

約数の個数: 32

約数和(自身を含む): 412560000

約数和(自身を除く): 156839247

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 14877, 17189, 51567, 154701, 326591, 464103, 498481, 979773, 1495443, 2939319, 4486329, 8817957, 9471139, 13458987, 28413417, 85240251, 255720753]

約数ペア:

[(1, 255720753), (3, 85240251), (9, 28413417), (19, 13458987), (27, 9471139), (29, 8817957), (57, 4486329), (87, 2939319), (171, 1495443), (261, 979773), (513, 498481), (551, 464103), (783, 326591), (1653, 154701), (4959, 51567), (14877, 17189)]