28561503

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 41191680

約数和(自身を除く): 12630177

約数列:

[1, 3, 19, 43, 57, 129, 271, 813, 817, 1849, 2451, 5149, 5547, 11653, 15447, 34959, 35131, 105393, 221407, 501079, 664221, 1503237, 9520501, 28561503]

約数ペア:

[(1, 28561503), (3, 9520501), (19, 1503237), (43, 664221), (57, 501079), (129, 221407), (271, 105393), (813, 35131), (817, 34959), (1849, 15447), (2451, 11653), (5149, 5547)]