81274509

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{5483}}^1$

素因数の和:5559

約数の個数: 24

約数和(自身を含む): 123762912

約数和(自身を除く): 42488403

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1647, 4941, 5483, 14823, 16449, 49347, 148041, 334463, 444123, 1003389, 1332369, 3010167, 9030501, 27091503, 81274509]

約数ペア:

[(1, 81274509), (3, 27091503), (9, 9030501), (27, 3010167), (61, 1332369), (81, 1003389), (183, 444123), (243, 334463), (549, 148041), (1647, 49347), (4941, 16449), (5483, 14823)]