6990417

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 12534912

約数和(自身を除く): 5544495

約数列:

[1, 3, 7, 9, 17, 21, 51, 61, 63, 107, 119, 153, 183, 321, 357, 427, 549, 749, 963, 1037, 1071, 1281, 1819, 2247, 3111, 3843, 5457, 6527, 6741, 7259, 9333, 12733, 16371, 19581, 21777, 38199, 45689, 58743, 65331, 110959, 114597, 137067, 332877, 411201, 776713, 998631, 2330139, 6990417]

約数ペア:

[(1, 6990417), (3, 2330139), (7, 998631), (9, 776713), (17, 411201), (21, 332877), (51, 137067), (61, 114597), (63, 110959), (107, 65331), (119, 58743), (153, 45689), (183, 38199), (321, 21777), (357, 19581), (427, 16371), (549, 12733), (749, 9333), (963, 7259), (1037, 6741), (1071, 6527), (1281, 5457), (1819, 3843), (2247, 3111)]