131569215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 215986176

約数和(自身を除く): 84416961

約数列:

[1, 3, 5, 15, 47, 141, 235, 431, 433, 705, 1293, 1299, 2155, 2165, 6465, 6495, 20257, 20351, 60771, 61053, 101285, 101755, 186623, 303855, 305265, 559869, 933115, 2799345, 8771281, 26313843, 43856405, 131569215]

約数ペア:

[(1, 131569215), (3, 43856405), (5, 26313843), (15, 8771281), (47, 2799345), (141, 933115), (235, 559869), (431, 305265), (433, 303855), (705, 186623), (1293, 101755), (1299, 101285), (2155, 61053), (2165, 60771), (6465, 20351), (6495, 20257)]