30005997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 48537600

約数和(自身を除く): 18531603

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 479, 1099, 1437, 2983, 3297, 3353, 8949, 9101, 10059, 20881, 27303, 62643, 63707, 75203, 191121, 225609, 526421, 1428857, 1579263, 4286571, 10001999, 30005997]

約数ペア:

[(1, 30005997), (3, 10001999), (7, 4286571), (19, 1579263), (21, 1428857), (57, 526421), (133, 225609), (157, 191121), (399, 75203), (471, 63707), (479, 62643), (1099, 27303), (1437, 20881), (2983, 10059), (3297, 9101), (3353, 8949)]