27891285

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26189}}^1$

素因数の和:26268

約数の個数: 16

約数和(自身を含む): 45256320

約数和(自身を除く): 17365035

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26189, 78567, 130945, 392835, 1859419, 5578257, 9297095, 27891285]

約数ペア:

[(1, 27891285), (3, 9297095), (5, 5578257), (15, 1859419), (71, 392835), (213, 130945), (355, 78567), (1065, 26189)]