740727

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 1160952

約数和(自身を除く): 420225

約数列:

[1, 3, 9, 13, 39, 117, 169, 487, 507, 1461, 1521, 4383, 6331, 18993, 56979, 82303, 246909, 740727]

約数ペア:

[(1, 740727), (3, 246909), (9, 82303), (13, 56979), (39, 18993), (117, 6331), (169, 4383), (487, 1521), (507, 1461)]