1989141

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 3379200

約数和(自身を除く): 1390059

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 109, 231, 237, 327, 553, 763, 869, 1199, 1659, 2289, 2607, 3597, 6083, 8393, 8611, 18249, 25179, 25833, 60277, 94721, 180831, 284163, 663047, 1989141]

約数ペア:

[(1, 1989141), (3, 663047), (7, 284163), (11, 180831), (21, 94721), (33, 60277), (77, 25833), (79, 25179), (109, 18249), (231, 8611), (237, 8393), (327, 6083), (553, 3597), (763, 2607), (869, 2289), (1199, 1659)]