27959820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66571}}^1$

素因数の和:66590

約数の個数: 48

約数和(自身を含む): 89472768

約数和(自身を除く): 61512948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66571, 133142, 199713, 266284, 332855, 399426, 465997, 665710, 798852, 931994, 998565, 1331420, 1397991, 1863988, 1997130, 2329985, 2795982, 3994260, 4659970, 5591964, 6989955, 9319940, 13979910, 27959820]

約数ペア:

[(1, 27959820), (2, 13979910), (3, 9319940), (4, 6989955), (5, 5591964), (6, 4659970), (7, 3994260), (10, 2795982), (12, 2329985), (14, 1997130), (15, 1863988), (20, 1397991), (21, 1331420), (28, 998565), (30, 931994), (35, 798852), (42, 665710), (60, 465997), (70, 399426), (84, 332855), (105, 266284), (140, 199713), (210, 133142), (420, 66571)]