1388670003

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{97103}}^1$

素因数の和:97343

約数の個数: 24

約数和(自身を含む): 2302530048

約数和(自身を除く): 913860045

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 97103, 291309, 679721, 873927, 2039163, 6117489, 22042381, 66127143, 154296667, 198381429, 462890001, 1388670003]

約数ペア:

[(1, 1388670003), (3, 462890001), (7, 198381429), (9, 154296667), (21, 66127143), (63, 22042381), (227, 6117489), (681, 2039163), (1589, 873927), (2043, 679721), (4767, 291309), (14301, 97103)]