260139897

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{53231}}^1$

素因数の和:53421

約数の個数: 16

約数和(自身を含む): 387528960

約数和(自身を除く): 127389063

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 53231, 159693, 479079, 1437237, 9634811, 28904433, 86713299, 260139897]

約数ペア:

[(1, 260139897), (3, 86713299), (9, 28904433), (27, 9634811), (181, 1437237), (543, 479079), (1629, 159693), (4887, 53231)]