30420729

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4339}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 47392800

約数和(自身を除く): 16972071

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 4339, 7011, 13017, 39051, 82441, 177899, 247323, 533697, 741969, 1601091, 3380081, 10140243, 30420729]

約数ペア:

[(1, 30420729), (3, 10140243), (9, 3380081), (19, 1601091), (41, 741969), (57, 533697), (123, 247323), (171, 177899), (369, 82441), (779, 39051), (2337, 13017), (4339, 7011)]