28288869

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10607}}^1$

素因数の和:10744

約数の個数: 16

約数和(自身を含む): 43450368

約数和(自身を除く): 15161499

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 10607, 31821, 74249, 222747, 1347089, 4041267, 9429623, 28288869]

約数ペア:

[(1, 28288869), (3, 9429623), (7, 4041267), (21, 1347089), (127, 222747), (381, 74249), (889, 31821), (2667, 10607)]