181991523

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^3\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 286528000

約数和(自身を除く): 104536477

約数列:

[1, 3, 7, 21, 43, 109, 129, 301, 327, 763, 903, 1849, 2289, 4687, 5547, 12943, 14061, 32809, 38829, 79507, 98427, 201541, 238521, 556549, 604623, 1410787, 1669647, 4232361, 8666263, 25998789, 60663841, 181991523]

約数ペア:

[(1, 181991523), (3, 60663841), (7, 25998789), (21, 8666263), (43, 4232361), (109, 1669647), (129, 1410787), (301, 604623), (327, 556549), (763, 238521), (903, 201541), (1849, 98427), (2289, 79507), (4687, 38829), (5547, 32809), (12943, 14061)]