251937

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 32

約数和(自身を含む): 450560

約数和(自身を除く): 198623

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 93, 129, 189, 217, 279, 301, 387, 651, 837, 903, 1161, 1333, 1953, 2709, 3999, 5859, 8127, 9331, 11997, 27993, 35991, 83979, 251937]

約数ペア:

[(1, 251937), (3, 83979), (7, 35991), (9, 27993), (21, 11997), (27, 9331), (31, 8127), (43, 5859), (63, 3999), (93, 2709), (129, 1953), (189, 1333), (217, 1161), (279, 903), (301, 837), (387, 651)]