2521881

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 4055040

約数和(自身を除く): 1533159

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 131, 207, 279, 393, 621, 713, 837, 1179, 2139, 3013, 3537, 4061, 6417, 9039, 12183, 19251, 27117, 36549, 81351, 93403, 109647, 280209, 840627, 2521881]

約数ペア:

[(1, 2521881), (3, 840627), (9, 280209), (23, 109647), (27, 93403), (31, 81351), (69, 36549), (93, 27117), (131, 19251), (207, 12183), (279, 9039), (393, 6417), (621, 4061), (713, 3537), (837, 3013), (1179, 2139)]