87891645

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{124669}}^1$

素因数の和:124724

約数の個数: 16

約数和(自身を含む): 143619840

約数和(自身を除く): 55728195

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 124669, 374007, 623345, 1870035, 5859443, 17578329, 29297215, 87891645]

約数ペア:

[(1, 87891645), (3, 29297215), (5, 17578329), (15, 5859443), (47, 1870035), (141, 623345), (235, 374007), (705, 124669)]