257419521

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{593}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 376215840

約数和(自身を除く): 118796319

約数列:

[1, 3, 9, 139, 347, 417, 593, 1041, 1251, 1779, 3123, 5337, 48233, 82427, 144699, 205771, 247281, 434097, 617313, 741843, 1851939, 28602169, 85806507, 257419521]

約数ペア:

[(1, 257419521), (3, 85806507), (9, 28602169), (139, 1851939), (347, 741843), (417, 617313), (593, 434097), (1041, 247281), (1251, 205771), (1779, 144699), (3123, 82427), (5337, 48233)]