56681457

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 90055680

約数和(自身を除く): 33374223

約数列:

[1, 3, 7, 21, 29, 87, 163, 203, 489, 571, 609, 1141, 1713, 3423, 3997, 4727, 11991, 14181, 16559, 33089, 49677, 93073, 99267, 115913, 279219, 347739, 651511, 1954533, 2699117, 8097351, 18893819, 56681457]

約数ペア:

[(1, 56681457), (3, 18893819), (7, 8097351), (21, 2699117), (29, 1954533), (87, 651511), (163, 347739), (203, 279219), (489, 115913), (571, 99267), (609, 93073), (1141, 49677), (1713, 33089), (3423, 16559), (3997, 14181), (4727, 11991)]