208889289

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{144161}}^1$

素因数の和:144197

約数の個数: 24

約数和(自身を含む): 359828352

約数和(自身を除く): 150939063

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 144161, 432483, 1009127, 1297449, 3027381, 3315703, 9082143, 9947109, 23209921, 29841327, 69629763, 208889289]

約数ペア:

[(1, 208889289), (3, 69629763), (7, 29841327), (9, 23209921), (21, 9947109), (23, 9082143), (63, 3315703), (69, 3027381), (161, 1297449), (207, 1009127), (483, 432483), (1449, 144161)]