289221891

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{76091}}^1$

素因数の和:76282

約数の個数: 16

約数和(自身を含む): 443159808

約数和(自身を除く): 153937917

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 76091, 228273, 532637, 1597911, 13772471, 41317413, 96407297, 289221891]

約数ペア:

[(1, 289221891), (3, 96407297), (7, 41317413), (21, 13772471), (181, 1597911), (543, 532637), (1267, 228273), (3801, 76091)]