40487319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 62169120

約数和(自身を除く): 21681801

約数列:

[1, 3, 9, 17, 51, 153, 409, 647, 1227, 1941, 3681, 5823, 6953, 10999, 20859, 32997, 62577, 98991, 264623, 793869, 2381607, 4498591, 13495773, 40487319]

約数ペア:

[(1, 40487319), (3, 13495773), (9, 4498591), (17, 2381607), (51, 793869), (153, 264623), (409, 98991), (647, 62577), (1227, 32997), (1941, 20859), (3681, 10999), (5823, 6953)]