81286686

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{115793}}^1$

素因数の和:115817

約数の個数: 32

約数和(自身を含む): 194533920

約数和(自身を除く): 113247234

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 115793, 231586, 347379, 694758, 1042137, 1505309, 2084274, 3010618, 3126411, 4515927, 6252822, 9031854, 13547781, 27095562, 40643343, 81286686]

約数ペア:

[(1, 81286686), (2, 40643343), (3, 27095562), (6, 13547781), (9, 9031854), (13, 6252822), (18, 4515927), (26, 3126411), (27, 3010618), (39, 2084274), (54, 1505309), (78, 1042137), (117, 694758), (234, 347379), (351, 231586), (702, 115793)]