1990053

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 3151512

約数和(自身を除く): 1161459

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 233, 657, 699, 949, 2097, 2847, 3029, 8541, 9087, 17009, 27261, 51027, 153081, 221117, 663351, 1990053]

約数ペア:

[(1, 1990053), (3, 663351), (9, 221117), (13, 153081), (39, 51027), (73, 27261), (117, 17009), (219, 9087), (233, 8541), (657, 3029), (699, 2847), (949, 2097)]