128571004917

素因数分解:

$3^4\times {\mathrm{4861}}^1\times {\mathrm{326537}}^1$

素因数の和:331410

約数の個数: 20

約数和(自身を含む): 192102958476

約数和(自身を除く): 63531953559

約数列:

[1, 3, 9, 27, 81, 4861, 14583, 43749, 131247, 326537, 393741, 979611, 2938833, 8816499, 26449497, 1587296357, 4761889071, 14285667213, 42857001639, 128571004917]

約数ペア:

[(1, 128571004917), (3, 42857001639), (9, 14285667213), (27, 4761889071), (81, 1587296357), (4861, 26449497), (14583, 8816499), (43749, 2938833), (131247, 979611), (326537, 393741)]