178686567

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{14051}}^1$

素因数の和:14220

約数の個数: 20

約数和(自身を含む): 268646136

約数和(自身を除く): 89959569

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 14051, 42153, 126459, 379377, 1138131, 2206007, 6618021, 19854063, 59562189, 178686567]

約数ペア:

[(1, 178686567), (3, 59562189), (9, 19854063), (27, 6618021), (81, 2206007), (157, 1138131), (471, 379377), (1413, 126459), (4239, 42153), (12717, 14051)]