20119781457

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{179951}}^1$

素因数の和:180102

約数の個数: 32

約数和(自身を含む): 30836574720

約数和(自身を除く): 10716793263

約数列:

[1, 3, 9, 27, 41, 101, 123, 303, 369, 909, 1107, 2727, 4141, 12423, 37269, 111807, 179951, 539853, 1619559, 4858677, 7377991, 18175051, 22133973, 54525153, 66401919, 163575459, 199205757, 490726377, 745177091, 2235531273, 6706593819, 20119781457]

約数ペア:

[(1, 20119781457), (3, 6706593819), (9, 2235531273), (27, 745177091), (41, 490726377), (101, 199205757), (123, 163575459), (303, 66401919), (369, 54525153), (909, 22133973), (1107, 18175051), (2727, 7377991), (4141, 4858677), (12423, 1619559), (37269, 539853), (111807, 179951)]