1638822015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2142251}}^1$

素因数の和:2142279

約数の個数: 24

約数和(自身を含む): 3007721808

約数和(自身を除く): 1368899793

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2142251, 6426753, 10711255, 19280259, 32133765, 36418267, 96401295, 109254801, 182091335, 327764403, 546274005, 1638822015]

約数ペア:

[(1, 1638822015), (3, 546274005), (5, 327764403), (9, 182091335), (15, 109254801), (17, 96401295), (45, 36418267), (51, 32133765), (85, 19280259), (153, 10711255), (255, 6426753), (765, 2142251)]