216240555

素因数分解:

$3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{25247}}^1$

素因数の和:25826

約数の個数: 16

約数和(自身を含む): 346604544

約数和(自身を除く): 130363989

約数列:

[1, 3, 5, 15, 571, 1713, 2855, 8565, 25247, 75741, 126235, 378705, 14416037, 43248111, 72080185, 216240555]

約数ペア:

[(1, 216240555), (3, 72080185), (5, 43248111), (15, 14416037), (571, 378705), (1713, 126235), (2855, 75741), (8565, 25247)]