42890127

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 67092480

約数和(自身を除く): 24202353

約数列:

[1, 3, 7, 21, 79, 103, 237, 251, 309, 553, 721, 753, 1659, 1757, 2163, 5271, 8137, 19829, 24411, 25853, 56959, 59487, 77559, 138803, 170877, 180971, 416409, 542913, 2042387, 6127161, 14296709, 42890127]

約数ペア:

[(1, 42890127), (3, 14296709), (7, 6127161), (21, 2042387), (79, 542913), (103, 416409), (237, 180971), (251, 170877), (309, 138803), (553, 77559), (721, 59487), (753, 56959), (1659, 25853), (1757, 24411), (2163, 19829), (5271, 8137)]