56981907

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 87413760

約数和(自身を除く): 30431853

約数列:

[1, 3, 9, 27, 47, 83, 141, 249, 423, 541, 747, 1269, 1623, 2241, 3901, 4869, 11703, 14607, 25427, 35109, 44903, 76281, 105327, 134709, 228843, 404127, 686529, 1212381, 2110441, 6331323, 18993969, 56981907]

約数ペア:

[(1, 56981907), (3, 18993969), (9, 6331323), (27, 2110441), (47, 1212381), (83, 686529), (141, 404127), (249, 228843), (423, 134709), (541, 105327), (747, 76281), (1269, 44903), (1623, 35109), (2241, 25427), (3901, 14607), (4869, 11703)]