81785895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4787}}^1$

素因数の和:4879

約数の個数: 32

約数和(自身を含む): 140652288

約数和(自身を除く): 58866393

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 4787, 5695, 14361, 17085, 23935, 71805, 81379, 244137, 320729, 406895, 962187, 1220685, 1603645, 4810935, 5452393, 16357179, 27261965, 81785895]

約数ペア:

[(1, 81785895), (3, 27261965), (5, 16357179), (15, 5452393), (17, 4810935), (51, 1603645), (67, 1220685), (85, 962187), (201, 406895), (255, 320729), (335, 244137), (1005, 81379), (1139, 71805), (3417, 23935), (4787, 17085), (5695, 14361)]