31320918

素因数分解:

$2^1\times 3^4\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:898

約数の個数: 40

約数和(自身を含む): 70503312

約数和(自身を除く): 39182394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 397, 487, 794, 974, 1191, 1461, 2382, 2922, 3573, 4383, 7146, 8766, 10719, 13149, 21438, 26298, 32157, 39447, 64314, 78894, 193339, 386678, 580017, 1160034, 1740051, 3480102, 5220153, 10440306, 15660459, 31320918]

約数ペア:

[(1, 31320918), (2, 15660459), (3, 10440306), (6, 5220153), (9, 3480102), (18, 1740051), (27, 1160034), (54, 580017), (81, 386678), (162, 193339), (397, 78894), (487, 64314), (794, 39447), (974, 32157), (1191, 26298), (1461, 21438), (2382, 13149), (2922, 10719), (3573, 8766), (4383, 7146)]