253446879

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 392071680

約数和(自身を除く): 138624801

約数列:

[1, 3, 7, 21, 131, 181, 393, 509, 543, 917, 1267, 1527, 2751, 3563, 3801, 10689, 23711, 66679, 71133, 92129, 165977, 200037, 276387, 466753, 497931, 644903, 1400259, 1934709, 12068899, 36206697, 84482293, 253446879]

約数ペア:

[(1, 253446879), (3, 84482293), (7, 36206697), (21, 12068899), (131, 1934709), (181, 1400259), (393, 644903), (509, 497931), (543, 466753), (917, 276387), (1267, 200037), (1527, 165977), (2751, 92129), (3563, 71133), (3801, 66679), (10689, 23711)]