289444857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1447}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 435929088

約数和(自身を除く): 146484231

約数列:

[1, 3, 13, 23, 39, 69, 223, 299, 669, 897, 1447, 2899, 4341, 5129, 8697, 15387, 18811, 33281, 56433, 66677, 99843, 200031, 322681, 432653, 968043, 1297959, 4194853, 7421663, 12584559, 22264989, 96481619, 289444857]

約数ペア:

[(1, 289444857), (3, 96481619), (13, 22264989), (23, 12584559), (39, 7421663), (69, 4194853), (223, 1297959), (299, 968043), (669, 432653), (897, 322681), (1447, 200031), (2899, 99843), (4341, 66677), (5129, 56433), (8697, 33281), (15387, 18811)]