140257413

素因数分解:

$3^6\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:896

約数の個数: 28

約数和(自身を含む): 211250668

約数和(自身を除く): 70993255

約数列:

[1, 3, 9, 27, 81, 243, 421, 457, 729, 1263, 1371, 3789, 4113, 11367, 12339, 34101, 37017, 102303, 111051, 192397, 306909, 333153, 577191, 1731573, 5194719, 15584157, 46752471, 140257413]

約数ペア:

[(1, 140257413), (3, 46752471), (9, 15584157), (27, 5194719), (81, 1731573), (243, 577191), (421, 333153), (457, 306909), (729, 192397), (1263, 111051), (1371, 102303), (3789, 37017), (4113, 34101), (11367, 12339)]