51509577

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 80455680

約数和(自身を除く): 28946103

約数列:

[1, 3, 7, 21, 71, 179, 193, 213, 497, 537, 579, 1253, 1351, 1491, 3759, 4053, 12709, 13703, 34547, 38127, 41109, 88963, 95921, 103641, 241829, 266889, 287763, 725487, 2452837, 7358511, 17169859, 51509577]

約数ペア:

[(1, 51509577), (3, 17169859), (7, 7358511), (21, 2452837), (71, 725487), (179, 287763), (193, 266889), (213, 241829), (497, 103641), (537, 95921), (579, 88963), (1253, 41109), (1351, 38127), (1491, 34547), (3759, 13703), (4053, 12709)]