128516451

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^2\times {\mathrm{191}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 197965824

約数和(自身を除く): 69449373

約数列:

[1, 3, 7, 21, 179, 191, 537, 573, 1253, 1337, 3759, 4011, 32041, 34189, 96123, 102567, 224287, 239323, 672861, 717969, 6119831, 18359493, 42838817, 128516451]

約数ペア:

[(1, 128516451), (3, 42838817), (7, 18359493), (21, 6119831), (179, 717969), (191, 672861), (537, 239323), (573, 224287), (1253, 102567), (1337, 96123), (3759, 34189), (4011, 32041)]