12965145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20101}}^1$

素因数の和:20152

約数の個数: 16

約数和(自身を含む): 21227712

約数和(自身を除く): 8262567

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20101, 60303, 100505, 301515, 864343, 2593029, 4321715, 12965145]

約数ペア:

[(1, 12965145), (3, 4321715), (5, 2593029), (15, 864343), (43, 301515), (129, 100505), (215, 60303), (645, 20101)]