207810171

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1973}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 318366720

約数和(自身を除く): 110556549

約数列:

[1, 3, 9, 27, 47, 83, 141, 249, 423, 747, 1269, 1973, 2241, 3901, 5919, 11703, 17757, 35109, 53271, 92731, 105327, 163759, 278193, 491277, 834579, 1473831, 2503737, 4421493, 7696673, 23090019, 69270057, 207810171]

約数ペア:

[(1, 207810171), (3, 69270057), (9, 23090019), (27, 7696673), (47, 4421493), (83, 2503737), (141, 1473831), (249, 834579), (423, 491277), (747, 278193), (1269, 163759), (1973, 105327), (2241, 92731), (3901, 53271), (5919, 35109), (11703, 17757)]