1311285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 969675

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 107, 129, 215, 285, 321, 535, 645, 817, 1605, 2033, 2451, 4085, 4601, 6099, 10165, 12255, 13803, 23005, 30495, 69015, 87419, 262257, 437095, 1311285]

約数ペア:

[(1, 1311285), (3, 437095), (5, 262257), (15, 87419), (19, 69015), (43, 30495), (57, 23005), (95, 13803), (107, 12255), (129, 10165), (215, 6099), (285, 4601), (321, 4085), (535, 2451), (645, 2033), (817, 1605)]