311918649

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{16633}}^1$

素因数の和:16709

約数の個数: 32

約数和(自身を含む): 510996480

約数和(自身を除く): 199077831

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 16633, 18753, 49899, 116431, 316027, 349293, 781751, 948081, 2212189, 2345253, 5472257, 6636567, 14853269, 16416771, 44559807, 103972883, 311918649]

約数ペア:

[(1, 311918649), (3, 103972883), (7, 44559807), (19, 16416771), (21, 14853269), (47, 6636567), (57, 5472257), (133, 2345253), (141, 2212189), (329, 948081), (399, 781751), (893, 349293), (987, 316027), (2679, 116431), (6251, 49899), (16633, 18753)]