15371391

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 24475648

約数和(自身を除く): 9104257

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 271, 511, 777, 813, 1533, 1897, 2701, 5691, 8103, 10027, 18907, 19783, 30081, 56721, 59349, 70189, 138481, 210567, 415443, 731971, 2195913, 5123797, 15371391]

約数ペア:

[(1, 15371391), (3, 5123797), (7, 2195913), (21, 731971), (37, 415443), (73, 210567), (111, 138481), (219, 70189), (259, 59349), (271, 56721), (511, 30081), (777, 19783), (813, 18907), (1533, 10027), (1897, 8103), (2701, 5691)]