145429263

素因数分解:

$3^4\times 7^1\times {\mathrm{256489}}^1$

素因数の和:256508

約数の個数: 20

約数和(自身を含む): 248282320

約数和(自身を除く): 102853057

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 256489, 769467, 1795423, 2308401, 5386269, 6925203, 16158807, 20775609, 48476421, 145429263]

約数ペア:

[(1, 145429263), (3, 48476421), (7, 20775609), (9, 16158807), (21, 6925203), (27, 5386269), (63, 2308401), (81, 1795423), (189, 769467), (567, 256489)]