81374955

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 134120448

約数和(自身を除く): 52745493

約数列:

[1, 3, 5, 15, 41, 123, 205, 307, 431, 615, 921, 1293, 1535, 2155, 4605, 6465, 12587, 17671, 37761, 53013, 62935, 88355, 132317, 188805, 265065, 396951, 661585, 1984755, 5424997, 16274991, 27124985, 81374955]

約数ペア:

[(1, 81374955), (3, 27124985), (5, 16274991), (15, 5424997), (41, 1984755), (123, 661585), (205, 396951), (307, 265065), (431, 188805), (615, 132317), (921, 88355), (1293, 62935), (1535, 53013), (2155, 37761), (4605, 17671), (6465, 12587)]