42771519

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 73981440

約数和(自身を除く): 31209921

約数列:

[1, 3, 7, 9, 21, 37, 59, 63, 111, 177, 259, 311, 333, 413, 531, 777, 933, 1239, 2177, 2183, 2331, 2799, 3717, 6531, 6549, 11507, 15281, 18349, 19593, 19647, 34521, 45843, 55047, 80549, 103563, 128443, 137529, 165141, 241647, 385329, 678913, 724941, 1155987, 2036739, 4752391, 6110217, 14257173, 42771519]

約数ペア:

[(1, 42771519), (3, 14257173), (7, 6110217), (9, 4752391), (21, 2036739), (37, 1155987), (59, 724941), (63, 678913), (111, 385329), (177, 241647), (259, 165141), (311, 137529), (333, 128443), (413, 103563), (531, 80549), (777, 55047), (933, 45843), (1239, 34521), (2177, 19647), (2183, 19593), (2331, 18349), (2799, 15281), (3717, 11507), (6531, 6549)]