261198

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{691}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 664320

約数和(自身を除く): 403122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 691, 1382, 2073, 4146, 4837, 6219, 9674, 12438, 14511, 18657, 29022, 37314, 43533, 87066, 130599, 261198]

約数ペア:

[(1, 261198), (2, 130599), (3, 87066), (6, 43533), (7, 37314), (9, 29022), (14, 18657), (18, 14511), (21, 12438), (27, 9674), (42, 6219), (54, 4837), (63, 4146), (126, 2073), (189, 1382), (378, 691)]