247371381

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1283}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 378625920

約数和(自身を除く): 131254539

約数列:

[1, 3, 9, 27, 37, 111, 193, 333, 579, 999, 1283, 1737, 3849, 5211, 7141, 11547, 21423, 34641, 47471, 64269, 142413, 192807, 247619, 427239, 742857, 1281717, 2228571, 6685713, 9161903, 27485709, 82457127, 247371381]

約数ペア:

[(1, 247371381), (3, 82457127), (9, 27485709), (27, 9161903), (37, 6685713), (111, 2228571), (193, 1281717), (333, 742857), (579, 427239), (999, 247619), (1283, 192807), (1737, 142413), (3849, 64269), (5211, 47471), (7141, 34641), (11547, 21423)]