402039

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 658944

約数和(自身を除く): 256905

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 131, 279, 341, 393, 1023, 1179, 1441, 3069, 4061, 4323, 12183, 12969, 36549, 44671, 134013, 402039]

約数ペア:

[(1, 402039), (3, 134013), (9, 44671), (11, 36549), (31, 12969), (33, 12183), (93, 4323), (99, 4061), (131, 3069), (279, 1441), (341, 1179), (393, 1023)]