137647515

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{213407}}^1$

素因数の和:213458

約数の個数: 16

約数和(自身を含む): 225358848

約数和(自身を除く): 87711333

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 213407, 640221, 1067035, 3201105, 9176501, 27529503, 45882505, 137647515]

約数ペア:

[(1, 137647515), (3, 45882505), (5, 27529503), (15, 9176501), (43, 3201105), (129, 1067035), (215, 640221), (645, 213407)]