240861405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{971}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 403107840

約数和(自身を除く): 162246435

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 719, 971, 2157, 2913, 3595, 4855, 10785, 14565, 16537, 22333, 49611, 66999, 82685, 111665, 248055, 334995, 698149, 2094447, 3490745, 10472235, 16057427, 48172281, 80287135, 240861405]

約数ペア:

[(1, 240861405), (3, 80287135), (5, 48172281), (15, 16057427), (23, 10472235), (69, 3490745), (115, 2094447), (345, 698149), (719, 334995), (971, 248055), (2157, 111665), (2913, 82685), (3595, 66999), (4855, 49611), (10785, 22333), (14565, 16537)]