81971676

素因数分解:

$2^2\times 3^6\times {\mathrm{28111}}^1$

素因数の和:28133

約数の個数: 42

約数和(自身を含む): 215084912

約数和(自身を除く): 133113236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 28111, 56222, 84333, 112444, 168666, 252999, 337332, 505998, 758997, 1011996, 1517994, 2276991, 3035988, 4553982, 6830973, 9107964, 13661946, 20492919, 27323892, 40985838, 81971676]

約数ペア:

[(1, 81971676), (2, 40985838), (3, 27323892), (4, 20492919), (6, 13661946), (9, 9107964), (12, 6830973), (18, 4553982), (27, 3035988), (36, 2276991), (54, 1517994), (81, 1011996), (108, 758997), (162, 505998), (243, 337332), (324, 252999), (486, 168666), (729, 112444), (972, 84333), (1458, 56222), (2916, 28111)]