66789645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{26347}}^1$

素因数の和:26381

約数の個数: 24

約数和(自身を含む): 115720416

約数和(自身を除く): 48930771

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 26347, 79041, 131735, 342511, 395205, 1027533, 1712555, 4452643, 5137665, 13357929, 22263215, 66789645]

約数ペア:

[(1, 66789645), (3, 22263215), (5, 13357929), (13, 5137665), (15, 4452643), (39, 1712555), (65, 1027533), (169, 395205), (195, 342511), (507, 131735), (845, 79041), (2535, 26347)]