280015245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122011}}^1$

素因数の和:122042

約数の個数: 32

約数和(自身を含む): 527091840

約数和(自身を除く): 247076595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 122011, 366033, 610055, 1098099, 1830165, 2074187, 3294297, 5490495, 6222561, 10370935, 16471485, 18667683, 31112805, 56003049, 93338415, 280015245]

約数ペア:

[(1, 280015245), (3, 93338415), (5, 56003049), (9, 31112805), (15, 18667683), (17, 16471485), (27, 10370935), (45, 6222561), (51, 5490495), (85, 3294297), (135, 2074187), (153, 1830165), (255, 1098099), (459, 610055), (765, 366033), (2295, 122011)]