1998345

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 3225600

約数和(自身を除く): 1227255

約数列:

[1, 3, 5, 15, 127, 381, 635, 1049, 1905, 3147, 5245, 15735, 133223, 399669, 666115, 1998345]

約数ペア:

[(1, 1998345), (3, 666115), (5, 399669), (15, 133223), (127, 15735), (381, 5245), (635, 3147), (1049, 1905)]