12972834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 32385600

約数和(自身を除く): 19412766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 691, 894, 1043, 1341, 1382, 2073, 2086, 2682, 3129, 4146, 4837, 6219, 6258, 9387, 9674, 12438, 14511, 18774, 29022, 43533, 87066, 102959, 205918, 308877, 617754, 720713, 926631, 1441426, 1853262, 2162139, 4324278, 6486417, 12972834]

約数ペア:

[(1, 12972834), (2, 6486417), (3, 4324278), (6, 2162139), (7, 1853262), (9, 1441426), (14, 926631), (18, 720713), (21, 617754), (42, 308877), (63, 205918), (126, 102959), (149, 87066), (298, 43533), (447, 29022), (691, 18774), (894, 14511), (1043, 12438), (1341, 9674), (1382, 9387), (2073, 6258), (2086, 6219), (2682, 4837), (3129, 4146)]