256856702991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{42322739}}^1$

素因数の和:42322783

約数の個数: 24

約数和(自身を含む): 415778597760

約数和(自身を除く): 158921894769

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 6069, 42322739, 126968217, 296259173, 719486563, 888777519, 2158459689, 5036405941, 12231271571, 15109217823, 36693814713, 85618900997, 256856702991]

約数ペア:

[(1, 256856702991), (3, 85618900997), (7, 36693814713), (17, 15109217823), (21, 12231271571), (51, 5036405941), (119, 2158459689), (289, 888777519), (357, 719486563), (867, 296259173), (2023, 126968217), (6069, 42322739)]