214535517

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7573}}^1$

素因数の和:7673

約数の個数: 32

約数和(自身を含む): 349009920

約数和(自身を除く): 134474403

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 7573, 9443, 22719, 28329, 53011, 143887, 159033, 431661, 537683, 1007209, 1613049, 3021627, 3763781, 10215977, 11291343, 30647931, 71511839, 214535517]

約数ペア:

[(1, 214535517), (3, 71511839), (7, 30647931), (19, 11291343), (21, 10215977), (57, 3763781), (71, 3021627), (133, 1613049), (213, 1007209), (399, 537683), (497, 431661), (1349, 159033), (1491, 143887), (4047, 53011), (7573, 28329), (9443, 22719)]