220139973

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{9311}}^1$

素因数の和:9425

約数の個数: 24

約数和(自身を含む): 331209216

約数和(自身を除く): 111069243

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 7881, 9311, 23643, 27933, 83799, 344507, 661081, 1033521, 1983243, 3100563, 5949729, 24459997, 73379991, 220139973]

約数ペア:

[(1, 220139973), (3, 73379991), (9, 24459997), (37, 5949729), (71, 3100563), (111, 1983243), (213, 1033521), (333, 661081), (639, 344507), (2627, 83799), (7881, 27933), (9311, 23643)]