13991901

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 25116480

約数和(自身を除く): 11124579

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 509, 539, 561, 833, 1309, 1527, 1617, 2499, 3563, 3927, 5599, 8653, 9163, 10689, 16797, 24941, 25959, 27489, 39193, 60571, 74823, 95183, 117579, 181713, 274351, 285549, 423997, 666281, 823053, 1271991, 1998843, 4663967, 13991901]

約数ペア:

[(1, 13991901), (3, 4663967), (7, 1998843), (11, 1271991), (17, 823053), (21, 666281), (33, 423997), (49, 285549), (51, 274351), (77, 181713), (119, 117579), (147, 95183), (187, 74823), (231, 60571), (357, 39193), (509, 27489), (539, 25959), (561, 24941), (833, 16797), (1309, 10689), (1527, 9163), (1617, 8653), (2499, 5599), (3563, 3927)]