213479907

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 301357056

約数和(自身を除く): 87877149

約数列:

[1, 3, 41, 43, 123, 129, 181, 223, 543, 669, 1763, 5289, 7421, 7783, 9143, 9589, 22263, 23349, 27429, 28767, 40363, 121089, 319103, 393149, 957309, 1179447, 1654883, 1735609, 4964649, 5206827, 71159969, 213479907]

約数ペア:

[(1, 213479907), (3, 71159969), (41, 5206827), (43, 4964649), (123, 1735609), (129, 1654883), (181, 1179447), (223, 957309), (543, 393149), (669, 319103), (1763, 121089), (5289, 40363), (7421, 28767), (7783, 27429), (9143, 23349), (9589, 22263)]