255996867

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{463}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 396085248

約数和(自身を除く): 140088381

約数列:

[1, 3, 7, 21, 113, 233, 339, 463, 699, 791, 1389, 1631, 2373, 3241, 4893, 9723, 26329, 52319, 78987, 107879, 156957, 184303, 323637, 366233, 552909, 755153, 1098699, 2265459, 12190327, 36570981, 85332289, 255996867]

約数ペア:

[(1, 255996867), (3, 85332289), (7, 36570981), (21, 12190327), (113, 2265459), (233, 1098699), (339, 755153), (463, 552909), (699, 366233), (791, 323637), (1389, 184303), (1631, 156957), (2373, 107879), (3241, 78987), (4893, 52319), (9723, 26329)]