30880339

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 7902461

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 809, 931, 2009, 5453, 5663, 15371, 33169, 38171, 39641, 107597, 232183, 630211, 753179, 1625281, 4411477, 30880339]

約数ペア:

[(1, 30880339), (7, 4411477), (19, 1625281), (41, 753179), (49, 630211), (133, 232183), (287, 107597), (779, 39641), (809, 38171), (931, 33169), (2009, 15371), (5453, 5663)]