29970999

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 48032000

約数和(自身を除く): 18061001

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 1579, 2109, 4737, 6327, 14211, 18981, 30001, 42633, 58423, 90003, 175269, 270009, 525807, 810027, 1110037, 1577421, 3330111, 9990333, 29970999]

約数ペア:

[(1, 29970999), (3, 9990333), (9, 3330111), (19, 1577421), (27, 1110037), (37, 810027), (57, 525807), (111, 270009), (171, 175269), (333, 90003), (513, 58423), (703, 42633), (999, 30001), (1579, 18981), (2109, 14211), (4737, 6327)]