207745839

素因数分解:

$3^2\times 7^3\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 352872000

約数和(自身を除く): 145126161

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 343, 389, 441, 519, 1029, 1167, 1211, 1557, 2723, 3087, 3501, 3633, 8169, 8477, 10899, 19061, 24507, 25431, 57183, 59339, 67297, 76293, 133427, 171549, 178017, 201891, 400281, 471079, 534051, 605673, 1200843, 1413237, 3297553, 4239711, 9892659, 23082871, 29677977, 69248613, 207745839]

約数ペア:

[(1, 207745839), (3, 69248613), (7, 29677977), (9, 23082871), (21, 9892659), (49, 4239711), (63, 3297553), (147, 1413237), (173, 1200843), (343, 605673), (389, 534051), (441, 471079), (519, 400281), (1029, 201891), (1167, 178017), (1211, 171549), (1557, 133427), (2723, 76293), (3087, 67297), (3501, 59339), (3633, 57183), (8169, 25431), (8477, 24507), (10899, 19061)]