220160889

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{797}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 352141440

約数和(自身を除く): 131980551

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 787, 797, 2361, 2391, 7083, 7173, 10231, 10361, 21249, 21519, 30693, 31083, 92079, 93249, 276237, 279747, 627239, 1881717, 5645151, 8154107, 16935453, 24462321, 73386963, 220160889]

約数ペア:

[(1, 220160889), (3, 73386963), (9, 24462321), (13, 16935453), (27, 8154107), (39, 5645151), (117, 1881717), (351, 627239), (787, 279747), (797, 276237), (2361, 93249), (2391, 92079), (7083, 31083), (7173, 30693), (10231, 21519), (10361, 21249)]