26986275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 51532416

約数和(自身を除く): 24546141

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 73, 75, 93, 155, 159, 219, 225, 265, 279, 365, 465, 477, 657, 775, 795, 1095, 1325, 1395, 1643, 1825, 2263, 2325, 2385, 3285, 3869, 3975, 4929, 5475, 6789, 6975, 8215, 11315, 11607, 11925, 14787, 16425, 19345, 20367, 24645, 33945, 34821, 41075, 56575, 58035, 73935, 96725, 101835, 119939, 123225, 169725, 174105, 290175, 359817, 369675, 509175, 599695, 870525, 1079451, 1799085, 2998475, 5397255, 8995425, 26986275]

約数ペア:

[(1, 26986275), (3, 8995425), (5, 5397255), (9, 2998475), (15, 1799085), (25, 1079451), (31, 870525), (45, 599695), (53, 509175), (73, 369675), (75, 359817), (93, 290175), (155, 174105), (159, 169725), (219, 123225), (225, 119939), (265, 101835), (279, 96725), (365, 73935), (465, 58035), (477, 56575), (657, 41075), (775, 34821), (795, 33945), (1095, 24645), (1325, 20367), (1395, 19345), (1643, 16425), (1825, 14787), (2263, 11925), (2325, 11607), (2385, 11315), (3285, 8215), (3869, 6975), (3975, 6789), (4929, 5475)]