189888909

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{7529}}^1$

素因数の和:8740

約数の個数: 16

約数和(自身を含む): 289633920

約数和(自身を除く): 99745011

約数列:

[1, 3, 7, 21, 1201, 3603, 7529, 8407, 22587, 25221, 52703, 158109, 9042329, 27126987, 63296303, 189888909]

約数ペア:

[(1, 189888909), (3, 63296303), (7, 27126987), (21, 9042329), (1201, 158109), (3603, 52703), (7529, 25221), (8407, 22587)]