139121591

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 182108160

約数和(自身を除く): 42986569

約数列:

[1, 7, 17, 19, 37, 119, 133, 259, 323, 629, 703, 1663, 2261, 4403, 4921, 11641, 11951, 28271, 31597, 61531, 83657, 197897, 221179, 430717, 537149, 1046027, 1169089, 3760043, 7322189, 8183623, 19874513, 139121591]

約数ペア:

[(1, 139121591), (7, 19874513), (17, 8183623), (19, 7322189), (37, 3760043), (119, 1169089), (133, 1046027), (259, 537149), (323, 430717), (629, 221179), (703, 197897), (1663, 83657), (2261, 61531), (4403, 31597), (4921, 28271), (11641, 11951)]