9428139

素因数分解:

$3^2\times 7^2\times {\mathrm{21379}}^1$

素因数の和:21399

約数の個数: 18

約数和(自身を含む): 15842580

約数和(自身を除く): 6414441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 21379, 64137, 149653, 192411, 448959, 1047571, 1346877, 3142713, 9428139]

約数ペア:

[(1, 9428139), (3, 3142713), (7, 1346877), (9, 1047571), (21, 448959), (49, 192411), (63, 149653), (147, 64137), (441, 21379)]