31158705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 53561088

約数和(自身を除く): 22402383

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1721, 3621, 5163, 6035, 8605, 18105, 25815, 29257, 87771, 122191, 146285, 366573, 438855, 610955, 1832865, 2077247, 6231741, 10386235, 31158705]

約数ペア:

[(1, 31158705), (3, 10386235), (5, 6231741), (15, 2077247), (17, 1832865), (51, 610955), (71, 438855), (85, 366573), (213, 146285), (255, 122191), (355, 87771), (1065, 29257), (1207, 25815), (1721, 18105), (3621, 8605), (5163, 6035)]