81798645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3307}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 140047488

約数和(自身を除く): 58248843

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 1455, 1649, 3307, 4947, 8245, 9921, 16535, 24735, 49605, 56219, 168657, 281095, 320779, 843285, 962337, 1603895, 4811685, 5453243, 16359729, 27266215, 81798645]

約数ペア:

[(1, 81798645), (3, 27266215), (5, 16359729), (15, 5453243), (17, 4811685), (51, 1603895), (85, 962337), (97, 843285), (255, 320779), (291, 281095), (485, 168657), (1455, 56219), (1649, 49605), (3307, 24735), (4947, 16535), (8245, 9921)]