81179838

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63521}}^1$

素因数の和:63600

約数の個数: 24

約数和(自身を含む): 178369776

約数和(自身を除く): 97189938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63521, 127042, 190563, 381126, 571689, 1143378, 4509991, 9019982, 13529973, 27059946, 40589919, 81179838]

約数ペア:

[(1, 81179838), (2, 40589919), (3, 27059946), (6, 13529973), (9, 9019982), (18, 4509991), (71, 1143378), (142, 571689), (213, 381126), (426, 190563), (639, 127042), (1278, 63521)]