1245643353

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{72883}}^1$

素因数の和:73106

約数の個数: 20

約数和(自身を含む): 1869620368

約数和(自身を除く): 623977015

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 17091, 72883, 218649, 655947, 1967841, 5903523, 15378313, 46134939, 138404817, 415214451, 1245643353]

約数ペア:

[(1, 1245643353), (3, 415214451), (9, 138404817), (27, 46134939), (81, 15378313), (211, 5903523), (633, 1967841), (1899, 655947), (5697, 218649), (17091, 72883)]