81191754

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{619}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 207129600

約数和(自身を除く): 125937846

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 347, 378, 619, 694, 1041, 1238, 1857, 2082, 2429, 3123, 3714, 4333, 4858, 5571, 6246, 7287, 8666, 9369, 11142, 12999, 14574, 16713, 18738, 21861, 25998, 33426, 38997, 43722, 65583, 77994, 116991, 131166, 214793, 233982, 429586, 644379, 1288758, 1503551, 1933137, 3007102, 3866274, 4510653, 5799411, 9021306, 11598822, 13531959, 27063918, 40595877, 81191754]

約数ペア:

[(1, 81191754), (2, 40595877), (3, 27063918), (6, 13531959), (7, 11598822), (9, 9021306), (14, 5799411), (18, 4510653), (21, 3866274), (27, 3007102), (42, 1933137), (54, 1503551), (63, 1288758), (126, 644379), (189, 429586), (347, 233982), (378, 214793), (619, 131166), (694, 116991), (1041, 77994), (1238, 65583), (1857, 43722), (2082, 38997), (2429, 33426), (3123, 25998), (3714, 21861), (4333, 18738), (4858, 16713), (5571, 14574), (6246, 12999), (7287, 11142), (8666, 9369)]