56987427

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 89571328

約数和(自身を除く): 32583901

約数列:

[1, 3, 7, 21, 43, 129, 223, 283, 301, 669, 849, 903, 1561, 1981, 4683, 5943, 9589, 12169, 28767, 36507, 63109, 67123, 85183, 189327, 201369, 255549, 441763, 1325289, 2713687, 8141061, 18995809, 56987427]

約数ペア:

[(1, 56987427), (3, 18995809), (7, 8141061), (21, 2713687), (43, 1325289), (129, 441763), (223, 255549), (283, 201369), (301, 189327), (669, 85183), (849, 67123), (903, 63109), (1561, 36507), (1981, 28767), (4683, 12169), (5943, 9589)]