256918372803

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{186578339}}^1$

素因数の和:186578368

約数の個数: 20

約数和(自身を含む): 406367624520

約数和(自身を除く): 149449251717

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 186578339, 559735017, 1679205051, 3171831763, 5037615153, 9515495289, 15112845459, 28546485867, 85639457601, 256918372803]

約数ペア:

[(1, 256918372803), (3, 85639457601), (9, 28546485867), (17, 15112845459), (27, 9515495289), (51, 5037615153), (81, 3171831763), (153, 1679205051), (459, 559735017), (1377, 186578339)]