255843

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 439296

約数和(自身を除く): 183453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 131, 217, 279, 393, 651, 917, 1179, 1953, 2751, 4061, 8253, 12183, 28427, 36549, 85281, 255843]

約数ペア:

[(1, 255843), (3, 85281), (7, 36549), (9, 28427), (21, 12183), (31, 8253), (63, 4061), (93, 2751), (131, 1953), (217, 1179), (279, 917), (393, 651)]