278320617

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{202121}}^1$

素因数の和:202150

約数の個数: 20

約数和(自身を含む): 440221716

約数和(自身を除く): 161901099

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 202121, 606363, 1819089, 3436057, 5457267, 10308171, 16371801, 30924513, 92773539, 278320617]

約数ペア:

[(1, 278320617), (3, 92773539), (9, 30924513), (17, 16371801), (27, 10308171), (51, 5457267), (81, 3436057), (153, 1819089), (459, 606363), (1377, 202121)]