28159719

素因数分解:

$3^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1163}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 42984192

約数和(自身を除く): 14824473

約数列:

[1, 3, 7, 21, 1153, 1163, 3459, 3489, 8071, 8141, 24213, 24423, 1340939, 4022817, 9386573, 28159719]

約数ペア:

[(1, 28159719), (3, 9386573), (7, 4022817), (21, 1340939), (1153, 24423), (1163, 24213), (3459, 8141), (3489, 8071)]