72503019

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1607}}^1$

素因数の和:2176

約数の個数: 20

約数和(自身を含む): 108568944

約数和(自身を除く): 36065925

約数列:

[1, 3, 9, 27, 81, 557, 1607, 1671, 4821, 5013, 14463, 15039, 43389, 45117, 130167, 895099, 2685297, 8055891, 24167673, 72503019]

約数ペア:

[(1, 72503019), (3, 24167673), (9, 8055891), (27, 2685297), (81, 895099), (557, 130167), (1607, 45117), (1671, 43389), (4821, 15039), (5013, 14463)]