28289139

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 13369485

約数列:

[1, 3, 17, 41, 51, 83, 123, 163, 249, 489, 697, 1411, 2091, 2771, 3403, 4233, 6683, 8313, 10209, 13529, 20049, 40587, 57851, 113611, 173553, 229993, 340833, 554689, 689979, 1664067, 9429713, 28289139]

約数ペア:

[(1, 28289139), (3, 9429713), (17, 1664067), (41, 689979), (51, 554689), (83, 340833), (123, 229993), (163, 173553), (249, 113611), (489, 57851), (697, 40587), (1411, 20049), (2091, 13529), (2771, 10209), (3403, 8313), (4233, 6683)]