668836371

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1\times {\mathrm{829}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 1033077760

約数和(自身を除く): 364241389

約数列:

[1, 3, 7, 21, 103, 309, 373, 721, 829, 1119, 2163, 2487, 2611, 5803, 7833, 17409, 38419, 85387, 115257, 256161, 268933, 309217, 597709, 806799, 927651, 1793127, 2164519, 6493557, 31849351, 95548053, 222945457, 668836371]

約数ペア:

[(1, 668836371), (3, 222945457), (7, 95548053), (21, 31849351), (103, 6493557), (309, 2164519), (373, 1793127), (721, 927651), (829, 806799), (1119, 597709), (2163, 309217), (2487, 268933), (2611, 256161), (5803, 115257), (7833, 85387), (17409, 38419)]