71781075

素因数分解:

$3^2\times 5^2\times {\mathrm{319027}}^1$

素因数の和:319043

約数の個数: 18

約数和(自身を含む): 128568284

約数和(自身を除く): 56787209

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 319027, 957081, 1595135, 2871243, 4785405, 7975675, 14356215, 23927025, 71781075]

約数ペア:

[(1, 71781075), (3, 23927025), (5, 14356215), (9, 7975675), (15, 4785405), (25, 2871243), (45, 1595135), (75, 957081), (225, 319027)]