78820005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43427}}^1$

素因数の和:43457

約数の個数: 24

約数和(自身を含む): 138622176

約数和(自身を除く): 59802171

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 43427, 130281, 217135, 477697, 651405, 1433091, 2388485, 5254667, 7165455, 15764001, 26273335, 78820005]

約数ペア:

[(1, 78820005), (3, 26273335), (5, 15764001), (11, 7165455), (15, 5254667), (33, 2388485), (55, 1433091), (121, 651405), (165, 477697), (363, 217135), (605, 130281), (1815, 43427)]