81864648

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7151}}^1$

素因数の和:7219

約数の個数: 64

約数和(自身を含む): 231724800

約数和(自身を除く): 149860152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2862, 3816, 5724, 7151, 11448, 14302, 21453, 28604, 42906, 57208, 64359, 85812, 128718, 171624, 193077, 257436, 379003, 386154, 514872, 758006, 772308, 1137009, 1516012, 1544616, 2274018, 3032024, 3411027, 4548036, 6822054, 9096072, 10233081, 13644108, 20466162, 27288216, 40932324, 81864648]

約数ペア:

[(1, 81864648), (2, 40932324), (3, 27288216), (4, 20466162), (6, 13644108), (8, 10233081), (9, 9096072), (12, 6822054), (18, 4548036), (24, 3411027), (27, 3032024), (36, 2274018), (53, 1544616), (54, 1516012), (72, 1137009), (106, 772308), (108, 758006), (159, 514872), (212, 386154), (216, 379003), (318, 257436), (424, 193077), (477, 171624), (636, 128718), (954, 85812), (1272, 64359), (1431, 57208), (1908, 42906), (2862, 28604), (3816, 21453), (5724, 14302), (7151, 11448)]