206821527

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1499}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 311904000

約数和(自身を除く): 105082473

約数列:

[1, 3, 11, 33, 37, 111, 113, 339, 407, 1221, 1243, 1499, 3729, 4181, 4497, 12543, 16489, 45991, 49467, 55463, 137973, 166389, 169387, 508161, 610093, 1830279, 1863257, 5589771, 6267319, 18801957, 68940509, 206821527]

約数ペア:

[(1, 206821527), (3, 68940509), (11, 18801957), (33, 6267319), (37, 5589771), (111, 1863257), (113, 1830279), (339, 610093), (407, 508161), (1221, 169387), (1243, 166389), (1499, 137973), (3729, 55463), (4181, 49467), (4497, 45991), (12543, 16489)]