12501885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4493

約数の個数: 32

約数和(自身を含む): 23110272

約数和(自身を除く): 10608387

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 4457, 13371, 22285, 49027, 66855, 75769, 147081, 227307, 245135, 378845, 735405, 833459, 1136535, 2500377, 4167295, 12501885]

約数ペア:

[(1, 12501885), (3, 4167295), (5, 2500377), (11, 1136535), (15, 833459), (17, 735405), (33, 378845), (51, 245135), (55, 227307), (85, 147081), (165, 75769), (187, 66855), (255, 49027), (561, 22285), (935, 13371), (2805, 4457)]