1297521909

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{38231}}^1$

素因数の和:38662

約数の個数: 20

約数和(自身を含む): 1942950240

約数和(自身を除く): 645428331

約数列:

[1, 3, 9, 27, 81, 419, 1257, 3771, 11313, 33939, 38231, 114693, 344079, 1032237, 3096711, 16018789, 48056367, 144169101, 432507303, 1297521909]

約数ペア:

[(1, 1297521909), (3, 432507303), (9, 144169101), (27, 48056367), (81, 16018789), (419, 3096711), (1257, 1032237), (3771, 344079), (11313, 114693), (33939, 38231)]