87492519

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 128887200

約数和(自身を除く): 41394681

約数列:

[1, 3, 9, 71, 213, 269, 509, 639, 807, 1527, 2421, 4581, 19099, 36139, 57297, 108417, 136921, 171891, 325251, 410763, 1232289, 9721391, 29164173, 87492519]

約数ペア:

[(1, 87492519), (3, 29164173), (9, 9721391), (71, 1232289), (213, 410763), (269, 325251), (509, 171891), (639, 136921), (807, 108417), (1527, 57297), (2421, 36139), (4581, 19099)]