280668969

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26053}}^1$

素因数の和:26091

約数の個数: 40

約数和(自身を含む): 504405440

約数和(自身を除く): 223736471

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 26053, 78159, 182371, 234477, 495007, 547113, 703431, 1485021, 1641339, 2110293, 3465049, 4455063, 4924017, 10395147, 13365189, 14772051, 31185441, 40095567, 93556323, 280668969]

約数ペア:

[(1, 280668969), (3, 93556323), (7, 40095567), (9, 31185441), (19, 14772051), (21, 13365189), (27, 10395147), (57, 4924017), (63, 4455063), (81, 3465049), (133, 2110293), (171, 1641339), (189, 1485021), (399, 703431), (513, 547113), (567, 495007), (1197, 234477), (1539, 182371), (3591, 78159), (10773, 26053)]