81971694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1051}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 203498880

約数和(自身を除く): 121527186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 619, 1051, 1238, 1857, 2102, 3153, 3714, 4333, 5571, 6306, 7357, 8666, 9459, 11142, 12999, 14714, 18918, 22071, 25998, 38997, 44142, 66213, 77994, 132426, 650569, 1301138, 1951707, 3903414, 4553983, 5855121, 9107966, 11710242, 13661949, 27323898, 40985847, 81971694]

約数ペア:

[(1, 81971694), (2, 40985847), (3, 27323898), (6, 13661949), (7, 11710242), (9, 9107966), (14, 5855121), (18, 4553983), (21, 3903414), (42, 1951707), (63, 1301138), (126, 650569), (619, 132426), (1051, 77994), (1238, 66213), (1857, 44142), (2102, 38997), (3153, 25998), (3714, 22071), (4333, 18918), (5571, 14714), (6306, 12999), (7357, 11142), (8666, 9459)]