25956909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 19765971

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 53, 97, 99, 153, 159, 187, 291, 297, 459, 477, 561, 583, 873, 901, 1067, 1431, 1649, 1683, 1749, 2619, 2703, 3201, 4947, 5049, 5141, 5247, 8109, 9603, 9911, 14841, 15423, 15741, 18139, 24327, 28809, 29733, 44523, 46269, 54417, 56551, 87397, 89199, 138807, 163251, 169653, 262191, 267597, 489753, 508959, 786573, 961367, 1526877, 2359719, 2884101, 8652303, 25956909]

約数ペア:

[(1, 25956909), (3, 8652303), (9, 2884101), (11, 2359719), (17, 1526877), (27, 961367), (33, 786573), (51, 508959), (53, 489753), (97, 267597), (99, 262191), (153, 169653), (159, 163251), (187, 138807), (291, 89199), (297, 87397), (459, 56551), (477, 54417), (561, 46269), (583, 44523), (873, 29733), (901, 28809), (1067, 24327), (1431, 18139), (1649, 15741), (1683, 15423), (1749, 14841), (2619, 9911), (2703, 9603), (3201, 8109), (4947, 5247), (5049, 5141)]