81249567

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{757}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 130982400

約数和(自身を除く): 49732833

約数列:

[1, 3, 7, 19, 21, 57, 133, 269, 399, 757, 807, 1883, 2271, 5111, 5299, 5649, 14383, 15333, 15897, 35777, 43149, 100681, 107331, 203633, 302043, 610899, 1425431, 3869027, 4276293, 11607081, 27083189, 81249567]

約数ペア:

[(1, 81249567), (3, 27083189), (7, 11607081), (19, 4276293), (21, 3869027), (57, 1425431), (133, 610899), (269, 302043), (399, 203633), (757, 107331), (807, 100681), (1883, 43149), (2271, 35777), (5111, 15897), (5299, 15333), (5649, 14383)]