56285991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7349}}^1$

素因数の和:7415

約数の個数: 24

約数和(自身を含む): 87141600

約数和(自身を除く): 30855609

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7349, 7659, 22047, 66141, 169027, 271913, 507081, 815739, 1521243, 2447217, 6253999, 18761997, 56285991]

約数ペア:

[(1, 56285991), (3, 18761997), (9, 6253999), (23, 2447217), (37, 1521243), (69, 815739), (111, 507081), (207, 271913), (333, 169027), (851, 66141), (2553, 22047), (7349, 7659)]