1280457765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{15643}}^1$

素因数の和:15778

約数の個数: 48

約数和(自身を含む): 2372131008

約数和(自身を除く): 1091673243

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 255, 321, 535, 765, 963, 1605, 1819, 4815, 5457, 9095, 15643, 16371, 27285, 46929, 78215, 81855, 140787, 234645, 265931, 703935, 797793, 1329655, 1673801, 2393379, 3988965, 5021403, 8369005, 11966895, 15064209, 25107015, 28454617, 75321045, 85363851, 142273085, 256091553, 426819255, 1280457765]

約数ペア:

[(1, 1280457765), (3, 426819255), (5, 256091553), (9, 142273085), (15, 85363851), (17, 75321045), (45, 28454617), (51, 25107015), (85, 15064209), (107, 11966895), (153, 8369005), (255, 5021403), (321, 3988965), (535, 2393379), (765, 1673801), (963, 1329655), (1605, 797793), (1819, 703935), (4815, 265931), (5457, 234645), (9095, 140787), (15643, 81855), (16371, 78215), (27285, 46929)]