201668571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 321965280

約数和(自身を除く): 120296709

約数列:

[1, 3, 9, 13, 39, 89, 107, 117, 181, 267, 321, 543, 801, 963, 1157, 1391, 1629, 2353, 3471, 4173, 7059, 9523, 10413, 12519, 16109, 19367, 21177, 28569, 48327, 58101, 85707, 123799, 144981, 174303, 209417, 251771, 371397, 628251, 755313, 1114191, 1723663, 1884753, 2265939, 5170989, 15512967, 22407619, 67222857, 201668571]

約数ペア:

[(1, 201668571), (3, 67222857), (9, 22407619), (13, 15512967), (39, 5170989), (89, 2265939), (107, 1884753), (117, 1723663), (181, 1114191), (267, 755313), (321, 628251), (543, 371397), (801, 251771), (963, 209417), (1157, 174303), (1391, 144981), (1629, 123799), (2353, 85707), (3471, 58101), (4173, 48327), (7059, 28569), (9523, 21177), (10413, 19367), (12519, 16109)]