18221567247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{485171}}^1$

素因数の和:485300

約数の個数: 32

約数和(自身を含む): 29343202560

約数和(自身を除く): 11121635313

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 963, 1391, 2889, 4173, 12519, 37557, 485171, 1455513, 4366539, 6307223, 13099617, 18921669, 51913297, 56765007, 155739891, 170295021, 467219673, 674872861, 1401659019, 2024618583, 6073855749, 18221567247]

約数ペア:

[(1, 18221567247), (3, 6073855749), (9, 2024618583), (13, 1401659019), (27, 674872861), (39, 467219673), (107, 170295021), (117, 155739891), (321, 56765007), (351, 51913297), (963, 18921669), (1391, 13099617), (2889, 6307223), (4173, 4366539), (12519, 1455513), (37557, 485171)]