1881231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 2766720

約数和(自身を除く): 885489

約数列:

[1, 3, 11, 33, 109, 327, 523, 1199, 1569, 3597, 5753, 17259, 57007, 171021, 627077, 1881231]

約数ペア:

[(1, 1881231), (3, 627077), (11, 171021), (33, 57007), (109, 17259), (327, 5753), (523, 3597), (1199, 1569)]