81323165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211229}}^1$

素因数の和:211252

約数の個数: 16

約数和(自身を含む): 121668480

約数和(自身を除く): 40345315

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 211229, 1056145, 1478603, 2323519, 7393015, 11617595, 16264633, 81323165]

約数ペア:

[(1, 81323165), (5, 16264633), (7, 11617595), (11, 7393015), (35, 2323519), (55, 1478603), (77, 1056145), (385, 211229)]